The RAM operates slower than expected.
The RAM operates slower than expected.
Hey there, I understand this can be confusing. You're using a Ryzen 9 5900X with AORUS X570 XTREME and 64GB Corsair RGB PRO memory at 3600Mhz without overclocking. When you try to overclock in BIOS and set XMP, the CPU works well at 4.8GHz, but the timing doesn’t update after saving. It seems like either a BIOS update is needed or you might need to adjust the RAM timings manually. Let me know if you want tips on that!
The speed limit for RAM without an overclocking controller is reached only when using an OC profile. XMP is essentially a configuration for overclocking RAM, but it doesn’t affect the base JEDEC limits. It won’t push performance beyond what the board’s specifications allow without enabling XMP. Make sure you understand whether timing issues or clock speed mismatches are causing the problem. After applying XMP, check the actual RAM speeds and timing settings to see how they behave.
It keeps the value at 18-22-22-42. Also, you're not starting from scratch with the memory, but you're boosting the memory controller inside the CPU since that's what handles the memory operations.
I understand you're checking the stability of your setup after adjusting settings. With XMP turned off, the CPU runs at 1333MHz, and enabling the 3600MHz version pushes it up to 1800MHz. It's important to confirm whether this higher frequency is compatible with your overclocked processor.
It wouldn't be that way because of how clock speeds are calculated. A 3600MHz RAM actually works at 1800MHz when considering double data rate, meaning it transfers twice per cycle. DDR technology doubles the data rate, so what manufacturers show is the effective speed—similar to 3600MHz if each transfer counts as one.
It's not extremely unstable, though CAM's main drawback is its higher performance impact compared to other monitoring tools