If you have any questions about TEAMGROUP’s products, please leave a message below or visit TEAMGROUP’s Online Service page for inquiry! The compatibility of TEAMGROUP’s memory modules can be confirmed through TEAMGROUP’s Product Compatibility Inquiry page. Once you’ve decided on the memory specification, remember to make sure it’s compatible with your motherboard or CPU! Usually, the price is higher if the performance of the memory module is better. I suggest you decide the size of memory and frequency first, and then choose the size of the CL. The most important thing is the compatibility with the motherboard and CPU. When buying memory, you should consider factors such as capacity, frequency, CL, etc. Is CL the lower the better in performance of memory module? I think there’s no definitive answer! Like we said at the beginning, the performance of the memory is also affected by the frequency and timing, so the CL in the memory cannot be used to define the performance of memory alone. ※The latency time calculated by the above formula is a theoretical value※Īfter the mind-twisting calculation, let’s return to the title of this article. When the memory CL is the same, the higher the frequency, the shorter the latency, and the shorter the time the computer has to wait to read the memory data, which means the better the performance. Under the same CL, the effect of different frequencies on the latency time.Ĭalculation based on the two specifications of T-FORCE DELTA RGB DDR5-5600 CL40 and T-FORCE DELTA RGB DDR5-6400 CL40 When the memory frequency is the same, the lower the CL, the shorter the latency time will be, and the less time the computer has to wait to read the memory data, which means the better the performance. The unit of latency time is expressed in nanoseconds (ns), and the formula is as follows:Īccording to the above formula, we’ll give two examples to explain to you:Īt the same frequency, the effect of different CLs on the latency time.Ĭalculation based on the two specifications of T-FORCE DELTA RGB DDR5-6000 C元0 and T-FORCE DELTA RGB DDR5-6000 C元8 Are you running out of memory in your head after reading everything above? Don’t worry, I’ll show you how to figure out the latency of the memory module in seconds with a calculator by looking at the DRAM specification table! Taking the specification of T-FORCE DELTA RGB DDR5 as an example, the total number of clock cycles of DDR5-6000 C元8 is equal to 38. 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. Therefore, for two memory modules with the same frequency, a higher CL means a longer delay time. I’ll explain more about the terminology when we have the chance next time.ĬL: Short for CAS latency, refers to how long the computer needs to wait before it can actually start reading data from memory. Today, let’s focus on the effect of CL and frequency on memory performance. You only need to remember that the most common value we use is CAS latency, which is the commonly heard CL, and most other timing values will have more impact on professional overclockers. The values represent, in order: CAS latency (CL), row address to column address delay (tRCD), row precharge time (tRP), row active time (tRAS). Timing is usually expressed as 4 values, such as CL40-40-40-80. Therefore, the performance of memory cannot be determined by a single value, the frequency and timing are closely related. The smaller the value, the shorter the time spent, and the faster the data can be transferred. Timing: represents the time taken by the memory module to transfer the data after receiving the command.Therefore, the larger the value, the higher the number of transfers per second, the more efficient the transfer. Frequency: indicates the number of times the data can be transferred per second.If you ask me which value is more important, I would say~~ both! (Don’t roll your eyes at me, read on and you will understand why!) This is known as conversion and does not directly mean that the two values are equal. Generally, on the product specification table is actually the value of “frequency” and “timing”. When it comes to the performance of memory, the “read speed” and “latency” of the memory module come directly to mind.
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