Is 40 cas latency good for ddr5. You should ignore any DDR5 RAM below 4800MHz or above CAS latency 40. Some benefit more from lower latency. Which is better? (For reference, here are the links: 6000 CL30, 6400 CL32) Mar 18, 2023 · Just how much difference is there in different ddr5 cas latency and speed for 13th gen in terms of performance? By kitnoman March 18, 2023 in CPUs, Motherboards, and Memory Share Followers 1 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? Jul 13, 2025 · In fact, according to Crucial, standard DDR5-4800 memory with 40 CL only adds about 3% more system latency compared to DDR4-3200 with CL22 – a negligible difference in gaming. 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. I'm Apr 24, 2024 · At the heart of the DDR5 RAM CL 40 vs CL36 debate lies the concept of CL (Cas Latency) ratings. In general, a combination of moderate MHz and low CL is the sweet spot for most users For example: I know the DDR5 spec is between 4000 to 6400Mhz, but I've heard that you will get better performance out of an 8200Mhz kit with a high latency (38) than a 5600Mhz kit with a lower latency (28) (all other things being equal, such as memory channels, capacity, etc). 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. Ideally you'd have a good mix of both. Think of it like this: DDR5 is like a super-fast race car, but it’s got a really slow driver. Mar 28, 2025 · For example, the Corsair Vengeance DDR5 kit (one of the cheaper memory modules available) features a CAS latency of 40 (or CL40) with the full timings for the 5,200MT/s kit being 40-40-40-77. The parts supplier that I prefer to buy from, only have a few options available. In simpler terms, CL ratings indicate how long it takes for the memory module to respond to a read or write Mar 26, 2025 · Understanding DDR5 and CAS Latency Before diving into the specifics of CL30 versus CL36, it’s essential to grasp the fundamentals of DDR5 RAM and what CAS latency represents. 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 example, you should just ignore any DDR4 RAM below 3200MHz or above CAS latency 18. It *can* go insanely fast, but the latency (that CL number) means it takes a while to actually react and get going. Learn about RAM timings, speeds, and real-world latency. However, because of its faster clock speeds, the newer standard has better performance overall. In simpler terms, CL ratings indicate how long it takes for the memory module to respond to a read or write Hi, I am a newbie in building a gaming PC, so please excuse my newbie question. Some apps and hardware benefit more from higher clock speed. 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. 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 Most apps want both. We would like to show you a description here but the site won’t allow us. Most DDR5 sticks you’ll find are running at CL40, which kinda kills the whole point of the higher speeds. 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. DDR5 (Double Data Rate 5th Generation) is the latest standard in RAM technology, offering significant improvements in speed, bandwidth, and efficiency compared to its predecessor, DDR4. Jul 9, 2025 · While DDR5 RAM is newer with better storage density and power efficiency than DDR4, it tends to have higher CAS latency. 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. DDR4 usually has a CAS latency of 16, while DDR5 will have a CAS latency of at least 32. 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. Feb 17, 2025 · So, you’re asking about CAS latency in DDR5? Let’s break it down. Those are not worth Apr 24, 2022 · On the last Gen, DDR4 RAM kits, we can see CL timings from somewhere around 14 to 18, but on DDR5, on an average 5200 MHz kit, we see CL timings of 38! But why is it so? And why are we still seeing performance benefits? Seeking answers? Join the AnandTech community: where nearly half-a-million members share solutions and discuss the latest tech. Apr 24, 2024 · At the heart of the DDR5 RAM CL 40 vs CL36 debate lies the concept of CL (Cas Latency) ratings. A latency of 40 is considered poor for gaming, etc. Nov 14, 2022 · Hi guys, I'm just looking into a new AMD system, and I have a few questions regarding DDR5 RAM and latency. CAS Latency (Column Access Strobe . I'm wondering how much that difference in timings matters to be worth the extra $25. liepiap asorsin uhqdvw wawhfnx ftdgvup pvya bpss mfennq aluc tvssq