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Ram cl mhz calculator. Optimize your system performance by inputting your specs.

Ram cl mhz calculator. 625 ns = 10 nanoseconds RAM latency But AIDA64 shows 74 ns RAM latency, my question is how do the other numbers from the timings (16-18-18-36-64) contribute to the total Jul 20, 2025 · This is perhaps the most critical concept to grasp when evaluating RAM: the relationship between CAS Latency (CL) and Memory Speed (measured in MHz or MT/s, which denotes millions of transfers per second). On this page, you'll find a tool designed to help you calculate the precise nanosecond timing of computer memory and convert these timings across different MT/s (Mega Transfers per second) ratings. The RAM timings are basically measured in nanoseconds and it helps to identify the access time of different parts of the memory or RAM. It takes into account the memory frequency and several timings to compute the result. Lower CAS latency values indicate better performance, as the RAM can access data more quickly. google. Generally, on the product specification table is actually the value of “frequency” and “timing”. Usually lower CL means secondary and tertiaries are also tighter. 5*S) where: L = latency in cycles (CAS or CL #) S = speed in MHz or MT/s and using that equation for PC3200 CL16 RAM gives a latency of 10 ns. When we know these we can use this formula to work out our nanosecond time: May 10, 2013 · if an 8gb DDR3 SDRAM 1600MHz has a timing of 8-8-8-24, how can I calculate if it will have a better performance than a 2x4gb DDR3 SDRAM 1866MHz with a timing of 9-10-9-28? Also, will a 2x4gb DDR3 Oct 3, 2024 · Latência de RAM mais baixa significa acesso mais rápido aos dados armazenados na memória, resultando em tempos de resposta mais rápidos e desempenho geral do sistema mais alto. However in reality +100 uclk (+200 mhz) is always faster than -2 cas latency, despite what the calculator says. The higher the RAM frequency, the shorter the clock cycle, and the faster the RAM can perform Jul 20, 2023 · What would the performance difference between a CAS latency of 15 v 22 ? I have an Asus Strix ROG Z270E motherboard and the current ram installed is Kingston HyperX Fury 2x8GB Dual channel (16GB total ) part number HX426C15FBK2/16 DDR4- 2666 CL15 and I am upgrading it to Crucial Pro 32GB Kit (2x16GB) DDR4-3200 • CL=22 • Non-ECC • UDIMM CP2K16G4DFRA32A as Crucial shows that memory is . Data_Rate is the rate at which data can be transferred by the RAM (measured in MHz). However, understanding the factors that contribute to overall performance can be complex. I just quickly divide CAS setting with the first two digits of the actual memory speed. It allows users to: Configure memory settings (type, speed, channels, etc. 9 for 4000 CL18, and so on. Example 2: Calculate the RAM latency for a module with CL = 18 and DR = 3. Enter RAM Frequency (MHz) — e. Larger clock frequency make data transfer faster so is better on faster large data chunk copying, game level loading and similar tasks. Jun 18, 2025 · CAS_Latency is the number of clock cycles it takes for the RAM to access a specific column of data. Dec 28, 2023 · How to Measure CAS Latency CAS latency is usually measured in units of clock cycles, which is the number of cycles required by RAM to access data. This guide will show you how to figure out and set up DRAM for your Intel system. Instantly view: Clock cycle time Latency values in ns Total First Word Latency You can also click “Reset” to clear all inputs and start over. a CL16 vs CL12 at 3200 MHz will virtually run exactly the same. RAM Latency Calculator This calculator helps you determine the latency of your RAM in nanoseconds (ns). Mastering DRAM calculation Apr 22, 2025 · The lower the CAS Latency, the better the overall performance—usually, the CL scales are done with the DRAM voltages. 5. I started off watching this video on how to overclock your ram. Sep 9, 2024 · DRAM Calculator for Ryzen Ryzen Generation: Ryzen 1000 Series Ryzen 2000 Series Ryzen 3000 Series Ryzen 5000 Series Memory Type: Samsung B-Die Hynix CJR Micron E-die Memory Speed (MHz): Memory Capacity (GB): Calculate DRAM Settings As an AMD Ryzen user, you know how key it is to make your system run smoothly. Can anyone explain? Apr 10, 2023 · Explore RAM timings explained, including CAS Latency, striking the perfect balance between speed and latency, and boosting performance with XMP profiles. tRCD: RAS to CAS Delay. com/spreadsheets/d/1Qo0VGd4waXGfI3jXt5jF9ORxeLpXgEWvpnYKaXjWtgQ Legend: Top - DDR Rate in Mhz Left - CAS (CL) latency Numbers - First Word access in ns (lower is better) The "Bandwidth compensated performance" is an attempt to give relative performance to DDR4 3200C14, but also taking bandwidth into account. CL is a mere fraction of the picture of latency of ram. (obviously a small difference, but this one is faster) Also - Ryzen 7000 series is designed to work with 6000 MHz, and in the past has been pretty sensitive to clock timings due to its FCLK. Ex 1. DRAM Calculator for Ryzen helps with overclocking your memory on the AMD Ryzen platform. When we know these we can use this formula to work out our nanosecond time: Sep 27, 2024 · Our AMD Zen 5 Memory Scaling Review examines six different DDR5 memory speeds, including DDR5-8000, DDR5-6400 1:1, DDR5-6400 CL28 and others. Input Timing Parameters: CAS Latency (CL) tRCD tRP tRAS Click “Calculate”. Im not planning on overclocking the CPU. Jan 1, 2025 · Use this tool to calculate the memory bandwidth Enter the following: Memory Clock Frequency – this is the clock frequency (in MHz) that is input to the memory module Bus Width in bits Clock multiplier is a factor depending on the memory type. Optimize your system performance by inputting your specs. Divide the CAS latency value by the memory bus frequency (in MHz) to find out how long it takes for the RAM to respond. Aug 25, 2024 · Hello, I have a set of Crossair DDR5 6000MHZ rams 32GB and I wanted to optimize my timing's my components are 7800xt / 7800x3d / m. Latency describes the response time of the memory with the Column Access Strobe (CAS) latency being the most prominent. This number tells you how many clock cycles it takes for RAM to answer a request. It’s measured in nanoseconds (ns) and depends on: RAM frequency (MHz) CAS Latency (CL) Other RAM timing values (tRCD, tRP, tRAS) Using a memory latency calculator, you can determine the true RAM performance beyond just MHz values. For example, I just learned that CAS latency / timings is something you need to think about on the RAM you purchase for a gaming rig. CAS Latency CAS Latency is the number of cycles it takes for the RAM to access a specific set of data in one of its columns (cycles) Frequency Frequency is the speed at which the RAM operates (MHz) Apr 7, 2025 · The evolution of computer memory continues with DDR5 RAM, offering significant improvements over its predecessor, DDR4. RAM First Word Latency Calculator Enter your CAS Latency (CL) and Memory Speed (in MHz). Simply input the CAS Latency (CL) and Data Rate (MHz) of your RAM, and our calculator will provide you with the Ram Latency in nanoseconds. Using the calculation (tCL x 2000) / 3600mhz I have a stable 7. 2: Incorrect BIOS settings, probably copied from what "everyone says is best" DDR speeds are 'doubled' so 6000 MT/s RAM (incorrectly sold as 6000 MHZ) is actually 3000 MHZ. It’s possible to calculate the true latency of the memory by comparing the speed to the CAS latency (CL). Dec 3, 2024 · Determine your memory response time with the RAM Latency Calculator. You will only see the difference in a benchmark which IS NOT an accurate representation of the real performance of the system. Enter the data rate (MHz) and the CAS latency (CL) into the calculator to determine the ram latency in nanoseconds. Is this the truth? Mar 8, 2022 · วิธีเลือกซื้อแรม RAM ดูแรมยังไง สิ่งที่ต้องดูเมื่อซื้อแรม CL RAM คืออะไร bus speed CAS Latency ความจุแรม แรมคอมพิวเตอร์ DDR3 DDR4 DDR5 Jul 9, 2025 · The operations that these numbers indicate are the following: CL-tRCD-tRP-tRAS-CMD. Mar 11, 2024 · What To Know DDR5 RAM CL, also known as CAS latency, represents the number of clock cycles it takes for the memory to respond to a read or write request. Enter the CAS Latency (CL). Oct 3, 2024 · For instance, if a RAM module has a CAS latency of 16 and a data rate of 3200 MHz, the RAM latency would be: \ [ \text {RL} = \frac {16 \times 2000} {3200} = 10 \text { nanoseconds} \] Importance and Usage Scenarios Low RAM latency is vital for high-performance computing tasks, such as gaming, video editing, and running complex simulations. Ryzen DRAM calculator is designed to work with all AMD Ryzen Zen architecture first and second generation processors. Memory speeds are sometimes listed as "MHz," but this can be a bit misleading, you should always use MT/s when talking about computer memory. 6 GBps. 6 GHz = 3600 MHz; RAM Latency (R L): 18 ⋅ 2000 3600 = 10. Keep in mind though that latency is measured in clock cycles so 3200 mhz cl16 ram would have much lower latency than 1600 mhz cl16 ram while having much higher bandwidth. academy RAM Latency (R L): 16 ⋅ 2000 3200 = 10. Calculates the actual latency (in nanoseconds) of RAM based on its clock speed and CAS latency timings. Our web app simplifies the process, letting you easily Why RAM Timings & Topology Matter Memory performance isn't just about speed—it's about how efficiently data moves. The Jan 22, 2025 · CAS Latency The last key part of the equation is Column Access Strobe or CAS latency (often just “CL”) which is integral in understanding RAM speed and often overlooked compared to a stick’s MHz rating. It provided links to programs Thaiphoon Burner and Dram Calculator. 6 GHz: CAS Latency (C L): 18 cycles; Data Rate (D R): 3. I'm not sure if DDR5 is calculated differently but latency wise, if you divide CL by mhz, then multiply by 100, the lower the result, the "faster" the ram is. 0000 nanoseconds. 8888 ok so I know is 8. Using Ryzen DRAM calculator you can achieve higher memory overclocks with better stability. 3600Mhz + CL18 = 10 Nanoseconds My question: is there any benefit to a higher speed, or is absolute latency the ultimate decider? Is there any reason I should consider the 3600 even though it has a worse May 17, 2025 · Does CL affect gaming performance? Explore if lower CL is worth the extra cost for better RAM. I used all of you. 2 2TB 980 / MSI X670P - WIFI / 360mm AIO by deepcool I am new to this I've met set changes to the bios from disabling things and PBO settings and Dram voltages https://docs. To put this in plain speak, you multiply the CAS latency by 2000 and then divide by the data rate. Discover memory solutions for your PC at Crucial today. Jan 20, 2011 · Or do the CL values represent contiguous levels of bandwidth performance? Provided that I keep the memory speed (in MHz) constant in the BIOS, I'm guessing that the performance of running these memory sticks (or any kit really) at a lower CL value will always be preferred over anything achievable at a higher CL value. Conclusion See relevant content for calculatorfest. The "stock" speed for DDR4 (the newest memory type) is usually 2133 Mhz or 2400 Mhz. With these Dec 17, 2023 · By entering values like RAM speed (in MHz) and CAS latency, the calculator determines the true latency, usually expressed in nanoseconds. Our web app simplifies the process, letting you easily E = 1000*(L / 0. By inputting your RAM specifications, it provides an estimated latency figure that helps you understand how your memory performs compared to other modules. Samsung C-die Thread - hardwareluxx. Jul 2, 2018 · This is listed in MHz, or units of 1,000,000Hz. MCLK is the true memory clock, double it for DDR speeds. May 14, 2004 · Our AMD Zen 5 Memory Scaling Review examines six different DDR5 memory speeds, including DDR5-8000, DDR5-6400 1:1, DDR5-6400 CL28 and others. Plugging these values into the calculator: To figure out the latency of RAM in nanoseconds we need to know the CAS Latency (CL) and the Clock Speed (in Mhz) of our RAM. Problem is Thaiphoon is fairly rubbish -it's not a real memory IC detector, it just reads the SPD and matches it to a database of serial codes. Frequently Asked Questions (FAQ) Q: How accurate is the RAM latency calculation? This is a RAM latency calculator. Learn to overclock, ask experienced users your questions, boast your rock-stable, sky-high OC and help others! Sep 14, 2024 · The CAS latency is shown as a number, like CL16 or CL18. It's nothing fancy but it gets the job done. , 3200 MHz. Oct 26, 2024 · For many users, RAM is a frequently overlooked source of bottlenecks. (for gaming) so should I get the lowest first word latency I can find or what? please help if you The RAM Latency Calculator uses the CAS latency, memory clock speed, and other timings to compute the actual latency in nanoseconds. Voila, you have your RAM latency in nanoseconds! Calculation Easily determine the optimal RAM size for your PC with our RAM Size Calculator. Lower RAM latency is better as it indicates faster performance. Calculate any of the variables in the formula below given the other variables are known. Actual latency = clock speed/latency in cycles Make sure to quote me or tag me when responding to me, or I might not know you replied! Examples: Do this: Well I just decided to get bored and set my RAM to 4000 17-17-17-39, 1. Bien qu'un débit de données plus élevé puisse améliorer les performances, l'impact de la latence de la RAM est également crucial ; les deux métriques doivent être considérées ensemble pour des performances optimales. Calculadora de latencia de la primera palabra de RAM Ingrese su latencia CAS (CL) y velocidad de memoria (en MHz). How important are they and what Latency is best? Hi, I’m all new to building PC and I noticed that there’s MHz and cl for the memory kit. Here's the table, hope it helps someone Note that having more bandwidth via dual-channel ram (two sticks) is better than having a single faster stick. To understand them, bear in mind that the memory is internally organized as a matrix. 75 NanosecondsEx 2. Measured in nanoseconds (ns), it indicates the time delay between when a command is issued to the memory and when the data is retrieved or stored. For 3600 CL16, 16/18 = 0. Yes ram latency calculator says that 6400@30 is slower than 6200@28 which is slower than 6000@26. Apr 4, 2025 · A DRAM Speed Calculator helps determine the effective data transfer rate of Dynamic Random Access Memory (DRAM). This is what confuses beginners. But would like to run RAM @ 3400 or 3600MHz May 11, 2022 · For example, 3200 MHz achieves 25. DRAM is Jan 6, 2015 · Is there a formula to calculate final RAM performance from Frequency and CL? Aprenda sobre temporizações de RAM, velocidades e latência do mundo real. 1 day ago · On this page, you'll find a tool designed to help you calculate the precise nanosecond timing of computer memory and convert these timings across different MT/s (Mega Transfers per second) ratings. In general, a combination of moderate MHz and low CL is the sweet spot for most users Dec 22, 2020 · It is common to see RAM kits rated for 3200 Mhz, 3600 Mhz, 4000 Mhz, or even higher nowadays. RAM Bandwidth Calculator A simple tool that calculates the theoretical maximum bandwidth throughput given the frequency of your RAM. This resulted in a 3% increase in frame rates in the game, which, while not impressive, demonstrates the effectiveness of this initiative. The CAS latency, combined with the frequency, is also used to calculate the latency of a kit in nanoseconds, we’ve developed a RAM Latency Calculator for DDR5 kits, which you can use to calculate the latency of your RAM. This way, you'll make the most of your hardware. In a Cyberpunk 2077 test, an adjustment of CL16 to CL14 timing was applied at a frequency of 3200 MHz. How many browser tabs can you keep open, how many layers can you have open in Photoshop, and how fast will your game load? All of this is directly affected by your choice of RAM. Understanding RAM beyond MHz and CAS latency helps you unlock its true potential. Oct 3, 2024 · Le débit de données (mesuré en MHz) est la vitesse à laquelle les données peuvent être lues ou écrites dans la RAM. Free RAM Latency Calculator for DDR4 & DDR5 memory. I will be video editing, which is processor intensive, so RAM speed will be important. Aug 18, 2021 · How to Choose RAM: Speed (MHz/CL) vs Capacity (GB) Wednesday 18th August 2021 by Adam Harley Look at Ram Timings and Performance - AMD - Reous at hardwareluxx. MHz CL: The result in nanoseconds = Balancing CAS Latency and Data Rate is crucial for optimizing RAM performance. Enter the tRCD, tRP, and tRAS timings. How does RAM […] Apr 6, 2025 · Also, +100 uclk beats -2 cas latency without any doubt. This is known as conversion and does not directly mean that the two values are equal. DDR4 memory is DDR4. 3200Mhz + CL14 = 8. Jan 9, 2025 · Lower CAS latency can improve game response, especially in memory-sensitive applications. What is RAM Latency? RAM latency is the time it takes for the RAM module to access a set of data in one of its columns. Mar 2, 2024 · The main difference between DDR4 RAM CL 16 and CL22 is the CAS latency. A higher Mt/s kit will always have lower real world latency than a similar "cL latency" kit running at lower mt assuming timings are relative as well Compare memory with our comparison tool. skill/b-die)? Im running it on Asus TUF x570 wifi and 3700x. It is measured in nanoseconds and is calculated by multiplying the CAS latency by 2000 and then dividing by the data rate. Since RAM acts as a bridge between Jun 3, 2012 · New 2x16gb corsair vengeance ram 3000mhz cl 15 both set run 3200mhz cl 14 but not together. Old calculator. Click on the “Calculate” button. Clock cycles depend on the RAM frequency, which is measured in megahertz (MHz). This guide can be used to overclock your RAM even if you only want a better gaming performance and squeeze more sweet juice out of your RAM. You will see virtual no increase/decrease in performance given a specific frequency. (Lower is better!) Note: The number given on shopping sites and by manufacturers for "speed" is usually in MT/s. So far your RAM module stock XML/DOCP numbers are 3000 MHz with CL15. Aprenda a calcular a latência da primeira palavra da memória DDR3, DDR4 e DDR5 para que você possa escolher os melhores módulos para suas necessidades de desempenho e orçamento. On this site, we break down: CAS Latency (CL)Absolute Latency Sep 9, 2024 · DRAM Calculator for Intel Desired Frequency (MHz): CAS Latency: DRAM Voltage (V): Calculate Getting the best out of your Intel device starts with knowing how DRAM works. de to see the affect of a couple ticks CL vs maybe 20 something odd ticks of tFAW, tRC, etc. This RAM latency calculator determines your memory's true latency in nanoseconds (ns) by using its clock speed (MHz) and CAS latency (CL). Our ram latency calculator will help you calculate RAM latency in nanosecods after inputting ram speed in Mhz and CL timing. Aug 9, 2025 · On this page, you'll find a tool designed to help you calculate the precise nanosecond timing of computer memory and convert these timings across different MT/s (Mega Transfers per second) ratings. The problem is that vendors like Corsair (seriously fuck Corsair, avoid buying their memory at all costs) will swap the memory ICs used in their high Jun 10, 2018 · In a RAM, you will find different types of things and among them, the RAM timing is one of the crucial ones. It takes the data rate (MT/s) and CAS latency (CL), then calculates the absolute latency for DDR memory accesses in nanoseconds. May 24, 2023 · DDR5 Memory Performance Scaling with AMD Zen 5 Our AMD Zen 5 Memory Scaling Review examines six different DDR5 memory speeds, including DDR5-8000, DDR5-6400 1:1, DDR5-6400 CL28 and others. Understanding how RAM can impact your CPU and GPU performance, and using tools like our bottleneck calculator, can help you ensure your system runs smoothly. " CAS stands for Column Address Strobe, and it represents the time it takes for the RAM to access a specific column of data in a memory module. If I have a DDR4 3200MHz C16 RAM (16-18-18-36-64) you can compute the latency for the CAS 16 For DDR4 3200MHz the actual frequency is 1600 MHz So 1/1600 MHz = 0. Made this when picking out RAM I was gonna buy, lower numbers are better so you can use this to decide what is better between different sets of RAM. How to Use the RAM Latency Calculator Open the tool on your device. This is where the data are stored at the intersection of the lines and columns. The CAS latency for this module is 22 clock cycles. Using the formula mentioned above, we can calculate the RAM Latency (RL) as follows: RL = 18 * 2000 / 6400 ≈ 5. Calculator Enter Clock Speed (MHz) CAS Latency (CL) Memory Bandwidth (in number of bits) Number of Channels Capacity The tool will calculate the RAM performance in MB/s or GB/s and True Latency in nanoseconds (ns). comContent blocked Please turn off your ad blocker. CL14 would be the best goal Feb 4, 2023 · We have a quick guide with the memory bandwidth in GB/s and MT/s for common server DDR, DDR2, DDR3, DDR4, and DDR5 speeds Apr 9, 2025 · 想升級或組裝電腦，卻看不懂 RAM 記憶體規格？專家詳解容量 (GB)、頻率 (MHz)、時序 (CL)、DDR4 vs DDR5 的意義與影響，提供 2025 年 RAM 選購指南與效能比較關鍵。 Sep 10, 2016 · Coverage: - 800-4500 Mhz (29 speeds) - 7-21 CAS Latency There's a large range of numbers, what's a good response time to look for? Typically anything below 14 is a decent speed. If the number you have is in MHz, simply double it to get MT/s. RAM speed vs. Calculates the absolute latency for DDR memory accesses in nanoseconds using the data rate (MT/s) and CAS latency (CL). im going to build a pc soon, and when looking at the ram I got a little confused. Mar 27, 2025 · Learn more about the differences between RAM speed and CAS latency, and what it means for your PC. How to Use: Enter the Memory Frequency in MHz. 6000 MHz @ CL38 is 12. Check the motherboard for any compatibility requirements with regards to the memory. The number of cycles it takes between the processor asking for data from the memory and returning it. It suggests stable memory timing sets optimized for your memory kit, for example B-die. Feb 17, 2024 · Example of DDR5 RAM Latency Calculator Let's say we have a DDR5 RAM module with a CAS Latency (CL) of 18 and a Data Rate (DR) of 6400 MT/s. Compare real latency, bandwidth, and get personalized RAM recommendations. 18/20 = 0. In the case of DDR for instance this number is 2. You can see this thread that benchmarked Use the RAM latency calculator. 12-14 is about average for today's standards. de for realistic examples with C-die. memory. 625 ns (duration between clocks) for CAS 16 we have 16 clocks * 0. The DRAM calculator relies on users identifying their own memory ICs, usually via Thaiphoon Burner. 625 Saw that the ram latency formula = cas latency *2000/ data rate. With this RAM latency calculator, you can determine the latency for memory accesses of SRAM to DDR5 generations from the data rate and CAS latency. Optimize your PC performance today. What is a RAM Bottleneck? A RAM bottleneck occurs when the speed or capacity of your RAM limits the performance of your CPU or GPU. 73 Nov 28, 2018 · Choosing RAM can be daunting, because this decision may have a tangible impact on your user experience. Anything near 10-11 or lower is very good. Anyway, I want to know if there is an equation to see how long it'll take for RAM to respond based on CAS latency and frequency. Si bien una velocidad de datos más alta puede mejorar el rendimiento, el impacto de la latencia de RAM también es crucial; ambas métricas deben considerarse juntas para un rendimiento óptimo. Kinda curious why you’re multiplying the cas latency by 2000. Oct 4, 2024 · This tool calculates the performance of Random Access Memory (RAM). Dec 10, 2020 · In this guide, we are going to show you how to use DRAM Ryzen calculator to overclock your RAM, thus improving your RandomXMonero hashrates and overall gaming experience. The video also said to use MemTest86 to test your rams stability and see if you get errors after you had changed the timings. Thanks for your comments :) 3800MHz CL14-10-13-13-21 Best time and no, I did not use DRAM calculator. Jan 25, 2017 · Hi. I Oct 6, 2004 · Clean the pads on the CPU from fingerprints. RAM-Latenzrechner für das erste Wort Geben Sie Ihre CAS-Latenz (CL) und Speichergeschwindigkeit (in MHz) ein. The Aorus master failed to POST epically, taking over 5 minutes with the LED post code "starting over" before finally freezing on post code 7F, then turning off, then freezing on post code 40 something, then turning off and then booting at 2133 mhz. We looked into how these speeds impact performance in gaming at four resolutions and a wide range of application workloads. 66 ns first word latency. So u always wanna go for more mhz as long as u dont break 1:1 ratio. Find the CAS latency value for your RAM in its specs or your system’s BIOS. Frequently Asked Questions (FAQ) Q: How accurate is the RAM latency calculation? RAM Latency Calculator Enter your RAM speed and CAS Latency below to find out your latency in nanoseconds. Unlock faster speeds and smoother experiences by understanding latency in RAM! Memory Benchmarks - Memory Modules benchmarked and compared in graph form - This Chart compares the better performing DDR5 memory modules. RAM latency While a RAM’s data transfer rate tells you how many mega transfers (1,000,000 data transfers) the RAM can do in one second (a DDR4-3200 RAM can conduct 3,200 mega transfers in 1 second), its CAS latency is also important for understanding RAM performance. 77 nanosec response time. Jan 1, 2025 · Formula Clock Cycle Time (ns) = 2000/Module Speed where Module speed is specified in Mega Transfers per second. CL16 RAM has a CAS latency of 16 clock cycles, while CL22 RAM has a CAS latency of 22 clock cycles. 85 ns first word latency. Calculateur de latence du premier mot RAM Entrez votre latence CAS (CL) et votre vitesse de mémoire (en MHz). When it comes to the performance of memory, the “read speed” and “latency” of the memory module come directly to mind. Oct 3, 2024 · La velocidad de datos (medida en MHz) es la velocidad a la que se pueden leer o escribir datos en la RAM. 88 ns. There r so many things i have no idea about,most of them start with a "t". Two of the most crucial specifications are MHz (megahertz), representing the speed of data transfer, and CL (CAS Latency), indicating the delay in accessing data. RAM Latency (R L): 16 ⋅ 2000 3200 = 10. I wonder what timings to set for my 3200Mhz cl14(14-14-14-34) 2x8GB RAM(g. In general, this allows you to make comparisons between differing RAM modules. g. In your case I would try to make CL number less as possible at first. Purpose: It helps hardware engineers and PC builders determine optimal DRAM timing settings for memory performance tuning. The result will be displayed in the “Result” field Oct 6, 2024 · What is RAM Latency? RAM latency refers to the delay between when a request for data is made and when it is received. DISCLAIMER: Before proceeding, you must understand that by doing a RAM overclocking Oct 3, 2024 · 数据速率（以 MHz 为单位）是读取或写入 RAM 的速度。 尽管较高的数据速率可以提高性能，但 RAM 延迟的影响同样重要；两者必须结合考虑以实现最佳性能。 Jan 14, 2021 · In general smaller CL value make less latency and faster RAM access - good for everything. I find those "latency" calculations with ram funny honestly. Definition: This calculator estimates the DRAM timing in nanoseconds based on frequency, divider ratio, and clock delay. CAS Latency CAS Latency is the number of cycles it takes for the RAM to access a specific set of data in one of its columns (cycles) Frequency Frequency is the speed at which the RAM operates (MHz) What is RAM Latency? RAM latency is the time it takes for the RAM module to access a set of data in one of its columns. The clock cycle is the time taken by RAM to complete one operation. Jan 25, 2025 · Is higher RAM speed always better? Learn how DDR4 and DDR5 memory clock speeds, latency, and CAS timings influence real-world performance. Go back. Oct 24, 2017 · Those of you who can calculate CL/MHZ in here please! - CPUs, Motherboards, and Memory - Linus Tech Tips Home Computer Hardware CPUs, Motherboards, and Memory Jun 30, 2022 · All those Latency specifications on RAM Kits can become confusing when buying memory. Thank you all for the lessons and advice! Still need to do long term testing, and yes I have active cooling at 1. cas latency, mhz speed, and first word latency, from what I understand, the first word latency is some sort of combination of the cas and the mhz speed of the ram, and the lower it is the better the ram will perform. I'm looking to buy some new ram and my current understanding is that speed (Mhz) and latency (CL) go hand in hand to give you an absolute latency. 3200MHz memory has a clock frequency of 3,200,000,000 cycles per second, so the time for a cycle to complete should be (1/3,200,000,000) seconds. Anything under 10 is phenomenal. 58V lol Jan 29, 2016 · So I hear that RAM speeds aren't important in gaming, but important in tasks that require processing. Aug 11, 2025 · Discover how CAS Latency (CL) impacts your computer's performance. Ram Latency Calculator Use our Ram Latency Calculator to determine the latency of your RAM. For calculating the RAM timing or latency, you will Sep 15, 2019 · Speed, Timings, and CAS Latency RAM speed is generally measured in megahertz, usually abbreviated as "Mhz. Find key differences between Type, Speed, Size, CAS Latency, Timing, value for money and other tech specifications. The other more complicated part of the story is the latency or the “timings” of the RAM. The speed of DDR4-3200 is 3200 MT/s. - chrislrogers/Ram_Latency_Calculator Dec 26, 2024 · CAS Latency (CL) is perhaps the most well-known memory timing and is often referred to as simply "latency. Though this is actually a bit of a marketing lie; DDR stands for Oct 2, 2018 · Both are important. 45v, which should have the same overall bandwidth as 3600 15-15-15-36. This blog post will To figure out the latency of the RAM in nanoseconds we need to know the CAS Latency (CL) and the Clock Speed (in"," Mhz) of our RAM. All things overclocking go here. So, mostly I just want to confirm that my understanding is correct and that the change I A calculator that figures out the latency of RAM in nanoseconds from the CAS Latency (CL) and the Clock Speed (in Mhz). " This is a measure of the clock speed (how many times per second the RAM can access its memory) and is the same way CPU speed is measured. ) Calculate DRAM timings (CL, tRCD, tRP, tRAS) Estimate memory bandwidth based on system specs Whether you’re overclocking your RAM or troubleshooting a performance issue, this Dec 29, 2023 · Example: Suppose you have a RAM module with a CAS latency of 15 cycles and a clock speed of 3000 MHz. Feb 11, 2025 · So, I've built several PCs in my lifetime, but definitely still learning. Latency = CAS latency * Clock cycle time Convert from RAM clock rate (MHz) to transfer rate (MT/s) Example Calculation Let’s use the calculator to find the RAM latency for DDR4. You should probably avoid anything above 14. Msi x470 gaming pro I think my old ram is Hynix AFR ram and the new ram (still corsair vengeance 3000mhz cl 15) is samsung ram (wtf) How do i oc, i can't use DRAM Calculator for Ryzen 1. Como a taxa de dados afeta a latência da RAM? A taxa de dados (medida em MHz) é a velocidade com que os dados podem ser lidos ou escritos na RAM. 5600 MHz @ CL36 is 12. Which memory is the best for example ? 3600 MHz cl18 or 3200 MHz cl16 I want to buy a 4x8 GB for a amd 5900x with a Aorus x570S Master. 625 nanoseconds Therefore, the RAM latency of this DDR5 module is approximately 5. Our web app simplifies the process, letting you easily See full list on calculator. Quickly calculate latency in nanoseconds using CAS latency and DRAM frequency for better performance insights. Why is my calculation incorrect and how exactly is the formula given in the table derived? EDIT: I made 2 mistakes above: Used the prefix for GHz (e9) instead of MHz (e6) What Is a DRAM Calculator? A DRAM Calculator is an online tool designed to simplify the complex calculations behind memory performance. Lower latency often indicates better performance, making this tool especially useful for gamers, system builders, and tech enthusiasts comparing DDR4 or DDR5 RAM modules. CL: CAS Latency. vff bowwv wiza miueoqj jqmi uhe nclkeo jygi mhnouh wguxjb