I'm getting back into PC building after 15 years, and I've got some questions about DDR5 RAM specifics. My CPU is a Ryzen 9900x, and I initially purchased a 128GB kit (2x64GB) from Corsair running at 6400 MHz with a CL42 timing. However, I noticed that the CL42 might not be the best for performance based on what I've read. I have some other options to consider that are potentially better timed but with slightly less total capacity:
- TeamGroup T-Create Expert 2x48GB 6800 CL36
- TeamGroup T-Create Expert 2x48GB 6400 CL32
- Corsair Vengeance 2x32GB 6000 CL30
I'm trying to assess how much system performance will be impacted if I stick with the 128GB despite the higher latency. I've come across mixed opinions on how critical these CL numbers are, especially when benchmarks show that lower speed RAM with higher CLs isn't as far behind in real performance. I'm a pretty power user—my workload includes software development, VR gaming, WSL2 VMs, and some AI/LLM tasks. Thanks for any advice!
1 Answer
It's true, the impact of speed, capacity, and timings can vary based on what you're using. You might need to specify your main applications to really gauge how RAM plays a role. But a lot of users find that 64GB is usually more than enough unless you're doing heavy multitasking or specific workloads.
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