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30 cze 2022 · While memory speed (or data rate) addresses how fast your memory controller can access or write data to memory, RAM latency focuses on how soon it can start the process. The former is measured in MT/s (Megatransfers per second) and the latter in nanoseconds.
9 mar 2019 · A RAM module’s CAS (Column Address Strobe or Signal) latency is how many clock cycles in it takes for the RAM module to access a specific set of data in one of its columns (hence the name)...
Memory (RAM) performance is all about the relationship between speed and latency. While the two are closely related, they're not connected in the way you might think. Here's how speed and latency are related at a technical level — and how you can use this information to optimize your memory's performance.
21 gru 2023 · CL (CAS Latency) – to liczba cykli zegara, jaka musi minąć pomiędzy otrzymaniem żądania dostępu do kolumny pamięci DRAM, aż do chwili wystawienia danych na magistrali. tRCD (Row Address to Column Address Delay) – określa minimalną liczbę cykli zegara od chwili zaadresowania wiersza pamięci do momentu uzyskania dostępu do kolumn.
Latency is best measured in nanoseconds, which is a combination of speed and CAS latency. Both speed increases and latency decreases result in better system performance. Example: because the latency in nanoseconds for DDR4-2400 CL17 and DDR4-2666 CL19 is roughly the same, the higher speed DDR4-2666 RAM will provide better performance.
DDR4 usually has a CAS latency of 16, while DDR5 will have a CAS latency of at least 32. However, because of its faster clock speeds, the newer standard has better performance overall. Luckily, CORSAIR makes DDR4 and DDR5 RAM in basically every mixture of size and speed you could want.
2 lis 2023 · Memory latency is one of those terms that gets thrown around a lot when discussing RAM performance. But what exactly does it mean, and why does it matter if you‘re trying to build or upgrade your system? In this comprehensive guide, we‘ll unpack CAS latency, see how it impacts real-world speeds, and help you choose the right balance for your needs.
