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Does cl matter for ddr5. Of course, you can go higher in .

  • Does cl matter for ddr5. Expert insights to help you choose wisely. I don't know if there is any truth to it (I don't have any DDR5 systems, so I haven't tested it myself) but this is what I have heard and read. Hi, I’m all new to building PC and I noticed that there’s MHz and cl for the memory kit. Mar 28, 2025 · DDR5 RAM trades faster frequencies at the cost of increased latency compared to DDR4 RAM, however, there are differences between budget, midrange, and high-end RAM with their CAS timings. Apr 22, 2025 · The lower the CAS Latency, the better the overall performance—usually, the CL scales are done with the DRAM voltages. Mar 1, 2024 · Q: Which is better for content creation, DDR5 RAM CL 32 or CL36? A: For content creators who work with demanding applications such as video editing, 3D rendering, and graphic design, DDR5 RAM CL32 modules can provide a noticeable performance boost over CL36 modules. Jul 11, 2025 · DDR5 memory is the fifth-generation double data rate (DDR) synchronous dynamic random-access memory (SDRAM) with the performance improvements from DDR4 to DDR5 being the greatest yet. Usually lower CL means secondary and tertiaries are also tighter. Does RAM Speed REALLY Matter?? (DDR5 Edition) Linus Tech Tips 16. For DDR5-6000 CL30, the CL will be 6000 / 2 = 3000 MHz / 30 = 100 MHz or 10 nanoseconds. High CL means ram has lower effective speed, because it need more cycles from your 5600mhz to change value. Of course, you can go higher in Apr 10, 2023 · Explore RAM timings explained, including CAS Latency, striking the perfect balance between speed and latency, and boosting performance with XMP profiles. I recently ordered these RAM sticks: Corsair Vengeance RGB DDR5 32GB (2x16GB) 5200MHz C40 Intel Optimized I just read that "C40" is not very good. I kinda don't get it I understand there has to be a law of diminishing returns - but how do we know what the lowest CL value is for a given MT/s? (Especially DDR5). 6000 MT/s @ CL38 is 12. ** A lower CL value indicates a shorter delay, resulting in quicker data retrieval and improved overall performance. While lower CAS latency can offer a slight edge in certain scenarios, it’s essential to consider the overall system configuration and prioritize the components that will have the most significant impact on performance. My question is: how big a deal is CL30 over CL36? Is a 32GB DDR5 6000 mhz CL30 worth $70ish more than a 16GB DDR5 6000 mhz CL36? That’s the price difference I’m looking at. Aug 17, 2023 · We compare DDR4 and DDR5 memory in a gaming test. Jul 10, 2025 · Does DDR5 improve gaming performance? On paper, we know DDR5 is a level above DDR4. Ive been using 32gb 3200 cl16 ram for some time and planning on keep using them. The thing that makes DDR5 so much better than DDR4 is a few things 1: it has a simplified ECC implementation 2: while it’s CL is much higher than DDR4 it can shoot data twice as often due to a dual bank design. Ram is meant mostly for tasks like rendering or benchmarking. 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. I’m running DDR5 7200mhz kit and cranked the secondary and tertiary timings extremely tight. What are the best DDR5 RAM CL timings available on the market? Jan 22, 2025 · How much does latency matter for RAM The most overlooked RAM speed factor, CL, is kind of like clock speed; it matters, but shouldn’t be a huge deciding factor in your PC building decisions. It has twice the bandwidth and capacity of DDR4 and is more efficient with regard to power consumption. Apr 24, 2022 · As for why the timings are so much looser on DDR5, that's the way it goes for every new DDR release. 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. I'm trying to sort out how important the CL value is for the ram. But, I'd bet the first one is actually 5600 MT/s @ CL32 (11. General rule of thumb 2 points of CL are worth 200 MHz of speed, the other timings matter too and generally relate to how fast operations can start. 3200cl16 ddr4 will have the same latency as 6400cl32 ddr5, but the ddr5 will actually perform the work twice as fast. All of that being said in games faster ram help eliminating stutters, maybe push higher frames if your CPU and GPU can keep up. It highlights the limitations of motherboard support for DDR5-8000 and the relative performance improvements of different memory speeds and latencies in CPU-limited and GPU-limited scenarios Dec 25, 2023 · TEAMGROUP Elite SODIMM DDR5 32GB (2x16GB) 4800MHz (PC5-38400) CL40 Non-ECC Unbuffered 1. This is usually measured in nanoseconds and expressed by a CL rating. Does it matter? We would like to show you a description here but the site won’t allow us. (They’re 350$!) Oh and my motherboard is going to be an Asus ROG Strix B660-A gaming wifi DDR5. I‘ll be keeping a close eye on benchmarking as new DDR5 platforms and appropriate tuned kits become available! Last statement is wrong yes If you hit the max amount of ram it does not really matter what generation you are using. May 6, 2020 · Is this accurate? Also does DDR4 15-18-19-32 3600mhz look better than 17-20-20-38 3800mhz? I'm still testing the latter and currently found the lowest stable to be CL of 17, next up should I try to lower tRP first or tRCD? I see that a lot of people recommend DDR5-6000 at CL30. Jul 9, 2025 · Luckily, CORSAIR makes DDR4 and DDR5 RAM in basically every mixture of size and speed you could want. Skill Trident Z5 5600 CL40: https://geni. However, if you are operating on a tighter budget and still desire a significant performance boost, DDR5 RAM CL40 represents a compelling choice. If you can find cheaper RAM that's nearly as good as this, then it'll be fine, peak RAM isn't that much better than good RAM. SPD Latency or Cas Latency often bring many other numbers than just CL. Feb 19, 2022 · I know the new AM5 Ryzen CPUs like faster timings, but do the numbers other than the CL matter that much? I would think that it matters a lot as the TRAS defines how long an entire operation will take at minimum I’m going to get a 2x16 GB kit of Gskill Trident Z5 RGB at 6000MTs, CL36. I'm wondering how much that difference in timings matters to be worth the extra Since any jump in CL would yield better results regardless of the MHz value for DDR4 memory (e. Jul 9, 2025 · What is Memory Latency? Memory latency can be thought of as "how quick will my system memory respond to a request". us/3hU2Gaq G. For DDR4, lowering from CL18 to CL14 makes a noticeable difference (about 23% in latency), whereas going from CL36 to CL30 is around 17%. Oct 2, 2023 · Anyone have enough experience with ddr5 or know about if lower CL's are worth the premium price over higher CL and similar MHz speeds for real world gaming performances ? I mostly play open world RPGs and simulators, my CPU is Ryzen 5 7600. Planning on building a computer but need some advice? This is the place to ask! /r/buildapc is a community-driven subreddit dedicated to custom PC assembly. 6666 n/s first word latency. Faster RAM compatibility depends on not just the board, but the chips memory Samsung 970 EVO Plus NVMe M. I have 4400mhz CL19 DDR4 ram and benchmark speed of 46,000MB/s. I'm building a new PC. Skill both at 6000 MHz. Conversely, DDR5 8000 CL36 actually has a lower overall CAS latency timing compared to 6000 CL30 despite 36 > 30 because the frequency is higher enough to compensate. Does it affect the tuning potential? What does it even have an effect on? I have no idea what RAM to pair with a 7600x build i'm trying to put together if i want it to be optimal lol. A shorter wait time (lower CL) means you get your food faster. With ddr5 I find that secondary and tertiary timings matter more than primaries (on Intel). Taking the specification of T-FORCE DELTA RGB DDR5 as an example, the total number of clock cycles of DDR5-6000 CL38 is equal to 38. Does it really matter though ? Hello, just like what the title says, does ram speed and cl/timings matter on 1 ccx/ccd x3d chips like the 5800x3d and 7800x3d? Asking bc i plan on heading to microcenter soon to get a 5800x3d to get some more life from my b550 board. The three timings you showed are actually four timings: tCL, tRCDWR, tRCDRD, and tRP. Edit: my cpu is a 13600K. But what does CAS latency really mean? Apr 13, 2023 · Does going from a CAS latency of 40 to 30 make any noticeable difference on gaming performance? My RAM in my system is DDR5 6000 CL40, would there be any noticeable difference going with DDR5 6000 CL 30? Feb 5, 2022 · Does RAM speed really matter? (DDR5 CL36 6000 vs CL32 6400) By kevinj93 February 5, 2022 in CPUs, Motherboards, and Memory ram upgrade Share Does the CL of the RAM matter or is ANY 6800MHz RAM gonna be compatible with this motherboard? CL doesn't matter for it to work with the board but does CL matter in tandem with the speed since a combination of timing and speeds is what results in higher or lower latency in the end which can affect performance. . Jul 3, 2023 · I've been looking through some DRR5 Ram kits for Ryzen 7000 and have noticed a curious thing about the timings for the ram kits that I've found. 1V 262 Pin Laptop Memory Module Ram - TED532G4800C40DDC-S01 On the other sticks from other vendors I see CL36, but not sure this is the best value too. The price difference between cl 30 and cl40 6000mhz ddr5 RAM in my region is like 40-50$ (100$ vs 140$). Mar 1, 2024 · Latency (ns) = (CL * 2000) / Data rate Data rate is simply the rated speed of your memory kit (3600 or 6000 or 6400MT/s). Should I spend an extra 20$ for 6400MTs CL32? Or less on 5600MTs CL36? Low CL kits are ridiculously expensive here in my country so 5600 CL28 or 6000 CL30 is not available. However, if you’re on a budget, then DDR5 RAM CL36 is a good option that still offers good performance. Is that money worth the FPS boost? Mar 18, 2023 · Just how much difference is there in different ddr5 cas latency and speed for 13th gen in terms of performance? With DDR5 it is the sub timings that seem to matter more than the speed or primaries, just make sure you dont get micron (~5200Mhz max) anything else will be Samsung or SK-Hynix, the rankings have switched since DDR4. A motherboard doesnt support both ddr4 and ddr5 though. 666 n/s first word latency - twenty percent slower. To answer your question: true latency is usually what matters, except with Ryzen 7000 which is reportedly designed around 6000 MHz DDR5. 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. We would like to show you a description here but the site won’t allow us. Learn how they impact your PC's performance speed. It is worth noting that the unit of CL is not minutes or seconds, but represents clock cycles, which is a variable in the formula for calculating memory delay time. So high latency dd5 can behave like mediocre ddr4, even with much higher frequency From my experience (was using cl36@4800 some time) it does not affect gaming much, while you don't have high-end setup. tRCDWR and tRCDRD are combined under the same timing. Skill Trident Z5 Neo AMD EXPO) Feb 5, 2023 · Does this apply to both DDR4 AND DDR5?? Yes, because the limitation is how fast the Infinity Fabric is stable at until it has to drop to 1:2 to remain stable. , CL14 3200 MHz would outperform CL16 3600 MHz), is this still the case for DDR5? Apr 24, 2024 · What To Know CL ratings measure the latency, or delay, between the moment a command is issued to the memory module and the moment the data is retrieved. It has a CAS latency of 16 however. When choosing RAM, does CAS latency matter? I found a 32gb (2x16) DDR4 at 3200, which sounds great. If your primary concern is raw speed and overall system responsiveness, then MHz should be your top priority. The ideal range for today for DDR4 is 3200-3600 and many people would go with cas latency 16 or 18. Apr 7, 2025 · Ultimately, choosing the right DDR5 RAM involves striking a balance between MHz and CL, taking into account the specific needs and limitations of the system. DDR5 RAM CL40 has a CL rating of 40, while DDR5 RAM CL36 has a CL rating of 36. You can compare performance between what you are using now and setting it to RCD+RTP. Outside of games it should make your So its almost like if it is low enough, it does not matter what value it is set to because it is not actually being utilized. All Ryzens have their "sweet spot" and this changes over generations as the memory controller improves. To get the true latency of a kit of RAM in nanoseconds, you'll need to do some math. Mar 2, 2025 · Unveiling the Best CAS Latency for DDR5 Memory Modules The world of DDR5 RAM is advancing rapidly, offering better speeds and reduced latency compared to its predecessors. More benefit can be seen by optimizing other subtimings. 1K Ever wonder how much fast RAM timings really matter for gaming? Today we look at some loose timings vs the fastest CL timing RAM you can currently buy Learn more about the Viewsonic XG2736 and PCPartPicker Hi, I am a newbie in building a gaming PC, so please excuse my newbie question. With DDR5, it doesn't matter as much For ram, based of what I know, frequency matters more than cas latency as the majority of today's tech enjoy fast ram to be able to optimally perform. It's an Intel build if that matters at all. The new DDR5 memory will appear under the Trident Z5 RGB, Trident Z5, and Ripjaws S5 brands This video reviews the gaming performance of AMD's Zen 5 processors using various DDR5 memory configurations, comparing DDR5-8000 to DDR5-6000 CL26 kits. This new generation of memory offered substantial improvements in terms of speed and energy efficiency compared to DDR4. Corsair is at 30-36-36-76 Gskill is at 32-38-38-96 They seem both relatively similar except for the tRAS which seems to have a huge difference. While higher MHz values generally lead to better performance, it’s important to consider the CL value and the overall system configuration. The only I know is that Ryzen May 15, 2024 · Check out the sale over at https://ifix. I'm looking at some ddr5 64gb (2x32) ram and I'm down to 2 options. The ram sticks are physically different and so a ddr5 stick wont fit a ddr4 slot on a motherboard and vice versa. While previous memory technologies focused on Your friend is completely wrong. I want to change to 8GB 2 stick 5200MHz (CL 40). 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. And later in 2025, even better DDR5-8000+ capable of rivaling maxed out DDR4 for gaming smoothness once latencies improve to the CL28-32 range. Skill's new CL26 and Nov 3, 2024 · Would there be big differences between the DDR5 6400 @ CL30-39-39-71 and let's say DDR5 6200 @ 28-36-36-96? Not sure if the 7600 kit would handle 6200 with 28 timing. I ordered the i9-13900KF and when it's released I'll order the MSI Z790 We would like to show you a description here but the site won’t allow us. These numbers don't have to be the same. One is some T-force ddr5 6000mhz cl 38-38-38-78 that's going for $175 and the other is gskill ddr5 6000mhz cl 30-40-40-96 for $210. Ram does matter if you are comparing something like ddr4 3000 and ddr5 5600. In fact, the lower the number, the better, especially with DDR4. For CL30, I can’t find anything at 16GB, lowest is 32, so it’s a significant premium over CL36. Consumers often prioritize CAS latency for a balance between speed and performance in their systems. Apr 7, 2025 · Thinking about upgrading to AMD's AM5 platform? We've tested nearly everything from CPUs to motherboards---now it's time to revisit DDR5 memory performance, including G. Jul 13, 2025 · CAS latency (CL) is simply the number of RAM clock cycles it takes for the memory module to get data ready for your CPU after it's been requested. Speed and latency do matter and depending on the tasks it might be quite a bit. B4 any1 asks, i did consider both the 5600/5700x3d but the 56x was sold out at Times stamps: 0:00 - Speed, Latency, and Gigabytes | How to Choose RAM 0:06 - What is RAM? 0:40 - How much RAM do I recommend? 1:07 - What is RAM Speed (MHz)? 1:35 - What is RAM Latency (CL/CAS CL means cas latency, it tells you how many clock cycles it takes for a certain piece of data to be available after the memory controller requested it from the RAM. Mar 26, 2025 · Ultimately, the decision between DDR5 CL30 and CL36 RAM is a matter of weighing the potential performance gains against the cost. All things overclocking go here. Learn how to calculate DDR3, DDR4, and DDR5 memory First Word Latency so you can choose the best modules for your performance needs and budget. Our RAM Compatibility Checker can help point you in the right direction if you need a few pointers. 43 ns) or similar. Mar 11, 2024 · The choice between DDR5 RAM MHz and CL depends on your specific needs and priorities. Anyone is welcome to seek the input of our helpful community as they piece together their desktop. The only advantage of DDR4 over DDR5 is that DDR4 has lower CAS latency. Sep 6, 2023 · Why RAM memory timings and latency are just as important as, capacity and clock speed. Actual latency in nanoseconds is entirely different and does not always rise between generations. DDR5 CL30 vs CL40: The Key Difference The core difference between DDR5 CL30 and DDR5 CL40 lies in the latency of data retrieval. So he will survive with current kit. May 4, 2022 · Memory manufacturer, G. As far as the CAS Latency timing is concerned, the two are identical, both have 10 nanoseconds of latency. CL30 RAM has a lower latency than CL40 RAM. 4M subscribers Subscribe Apr 20, 2024 · DDR5 RAM CL 30 and CL40 modules typically carry different price tags, with CL30 modules commanding a slight premium. This price disparity reflects the inherent performance advantage of CL30 modules over their CL40 counterparts. Learn to overclock, ask experienced users your questions, boast your rock-stable, sky-high OC and help others! Jun 7, 2023 · DDR5 memory has kits rated for up to 8400 Mbps, while desktop CPUs only officially support up to 5600 Mbps. For example, a RAM kit with a CAS latency of 34 Learn about RAM timings, speeds, and real-world latency. Thanks for your comments :) May 8, 2023 · Question DDR5 ram kits for AMD 7800x3d cl28-5600mhz or cl30-6000mhz? (G. I want to know that in DDR5, is there any performance difference issue in 4K Gaming if i switch to CL 30 to CL 40 Sep 18, 2023 · So for DDR5-5600 CL 28, the actual CAS Latency (CL) will be 5600 / 2 = 2800 MHz / 28 = 100 MHz or 10 nanoseconds. And the cas latency doesn't affect performance as much as frequency (there are always exception of course). (Real Latency) = CAS Latency x 2000 / Data-rate For example, the real latency (in nanoseconds) of a kit of VENGEANCE DDR5 6000 cl 30 or 6000 cl 28 with first word timings of 10ns or less is ideal for AM5 CPUs. I want to start by saying that I have no idea about the intricacies of Ram Timings and Cas Latency and how it truly works. I'm not saying they're additive; they're simply for read and write operations. Skill Ripjaws 8GB DDR4 2400MHz CL15-15-15-35 RAM" in my desktop, i want to add 8GB (or may be 16GB more), but i cant find the RAM with same "CL". DDR3, for example, had kits going down to around CL8, whereas getting anything lower than CL12 on DDR4 is near impossible, but because DDR4 clocks so much higher the latency is much lower. Oct 2, 2023 · Anyone have enough experience with ddr5 or know about if lower CL's are worth the premium price over higher CL and similar MHz speeds for real world Mar 9, 2019 · That number after the “CL” represents the RAM kit’s CAS latency, sometimes called CL. DDR5 RAM made its debut on July 14, 2020. Mar 28, 2025 · Discover the ultimate guide to Best DDR5 RAM in 2025: Uncover the perfect balance between speed, latency, and price for exceptional gaming and productivity performance. Sep 25, 2020 · I have got "G. This is the best way to know how to invest your money in RAM. Skill, has just announced the first DDR5 memory sticks with a sub-30 CAS latency. But a ddr4 4000 and a ddr5 5600 are barley different in performance. Ram doesn't matter much on gaming as many people think it does. A latency of 40 is considered poor for gaming, etc. Nov 18, 2022 · Hey All, I'm building a new PC for MIDI Orchestration, not gaming, so that means 128GB RAM, a lot of NVMe drives and a decent video card for 3-4 monitors. DDR5 4200 cl 36 has a CAS latency of 18ns but DDR5 5200 cl 40 has only 15. 2 SSD PSU: ASUS ROG Thor 850W Platinum OS: Windows 10 I want to change my DDR5 RAM, currently i am using 1 single stick of 16GB 5600MHz (CL 30 may be). Feb 11, 2025 · A CL26 kit, for instance, would mean absolutely nothing if it was on a DDR5 4000 setup while being quite great on a DDR5 6000 setup. few questions are- 1) does brand matter, as long as clock speed and latency are same? 2)my May 17, 2025 · Yes, CL does matter, but its impact varies. Is that really the case? Here are the specs for my other parts, if it's relevant: I have an i9 12900K CPU and a Oct 2, 2023 · Anyone have enough experience with ddr5 or know about if lower CL's are worth the premium price over higher CL and similar MHz speeds for real world Does DDR5 tRAS matters ? I'm looking to buy a DDR5 kit and I hesitate between Corsair and G. Aug 15, 2024 · AM5 memory tuning, infinity fabric and Unified memory clock divider explained. g. Can i add a RAM with different CL? Will there be any practical difference or just theoretical difference? i only use my desktop for gaming. This leads me to my first question: Does RAM speed or Latency matter more for DDR5? I am between two different sets of either 32 or 64 GB RAM, but the only difference is one is 6000 CL30, and the other is 6400 CL32, with nearly identical cost. May 12, 2024 · By then we should expect affordable DDR5-7200 kits with decent CL 32-36 timings. RAM latency matters more in applications like video editing and rendering. How much does running at official specifications actually impact performance in common content creation applications? 6000 MT/s @ CL32 is 10. Does it really effect anything? For example, ddr5 6000mhz cl30 has an effective speed (first write speed i think its called) of 10ns, which is the same as a ddr4 3200mhz cl16 kit. 4ns, so higher cl but lower latency. RAM modules with lower CL values have faster response times, allowing for faster data transfer rates and reduced latency. Ryzen 7 7800X3D, Ryzen 5 9600X DDR5 Memory Scaling [6200MHz CL28 vs CL34 vs 7800 CL38] Get a b660 ddr5 board with a cheap ddr5 kit, will be faster than ddr4 3600 and might even end up cheaper Feb 20, 2025 · The CL is the time it takes for the kitchen to prepare your dish after you place your order. Jun 12, 2024 · Should my RAM CL value be low or high? **The CL value of your RAM should be as low as possible. RANT: THE CAS LATENCY TIMING DOESN'T MATTER AS MUCH AS YOU THINK IT DOES Actually Hardcore Overclocking 193K subscribers 4. TerrinTheTerrible Does CL really matter? Discussion Would my performance increase or anything if I had CL18 ram or CL16 ram. I would prefer lower latency if the price is only like 5-10$ more. gd/Techquickie-toolkits Understanding RAM speeds can be tricky, so if you're in the market for DDR5, we've got some tips to help you pick the correct memory Dec 8, 2013 · the way its calculated is CL+tRCD+tRp=tRAS +/-1 this is for overclocking, i certainly wouldn't go to the expense of buying new ram because it has lower tRAS your old ram is ddr3 1600 the new is ddr3 1600 both cas 9 so there would be no performance gains at all. When i tightened my timings to 14 14 14 38 (plus tightened secondary and tertiary) but dropped the MHZ down Sep 22, 2023 · I haven't watched this video, but what I have heard elsewhere is that in DDR5 the headline CAS value doesn't make as much of a difference in performance anymore. Feb 12, 2023 · How much does RAM speed matter? It's a question we've covered before, but with new platforms from AMD and Intel, and of course the new DDR5 spec, it's time to go down the rabbit hole once more G Skill Trident Z DDR4 3600 CL14: https://geni. While DDR5 RAM CL30 offers a slight edge in terms of speed, DDR5 RAM CL36 is a more affordable option that still delivers solid performance. May 11, 2024 · What To Know CL stands for “CAS Latency,” and it refers to the number of clock cycles it takes for the RAM to respond to a read or write request. Dec 31, 2022 · Does DDR5 RAM's CAS Latency Really Matter for 4K Gaming? By DarkShadowFaisal December 31, 2022 in CPUs, Motherboards, and Memory ddr5 cas latency 4k gaming Followers 1 Member 2 We would like to show you a description here but the site won’t allow us. Jan 10, 2024 · Is there a noticeable difference between ddr5 6000MHz with cl30 and 6000MHz cl36? People always ask me if fast ram is worth it for gaming well today we test the fastest set of DDR5 I have vs the stock DDR5 non XMP settings in 3 resoluti trueI have been looking into getting some decent ram for my build, and my friend recommended g skill flare with same MHz and latency as another one but different timings, the other one I found was a corsair vengeance, having the 30-36-36-76 timings and being $20aud cheaper, out of the two timings/ram models which is best? And if anyone can tell me a list of timings ranked from best to worst I The CAS latency isn’t measured In seconds but rather cycles. htqt fbpzk gnrmb gtagkz naawytd vgn zys hxma jxd nufd