He understands enough to pose a risk - DDR4 memory - Boosting XMP 2.0
He understands enough to pose a risk - DDR4 memory - Boosting XMP 2.0
Hello! I bought a rig from Cyberpower and have been trying to figure out how to get the best performance, especially with the 3200MHz RAM and possibly the CPU. I checked the BIOS and added the XMP2.0 profile successfully. Now I’m wondering where to look in CPU-Z to confirm I’m hitting the full 3200MHz. On the Memory section, it lists DRAM Frequency at 1596.2MHz. Since this is double data, does that mean I’m close to 3200? The XMP profile seems to be working. On the SPD tab, JEDEC values show lower frequencies except for the XMP-3200 entry at 1600MHz. How can I determine a safe overclock for the DRAM? I left it on AUTO for now. Regarding the CPU, it’s currently OC by about 10% from 3600 to 3990—should I adjust timings or voltages for the DRAM? Where should I find guidance for those changes?
Off-topic: In the BIOS, my Long Duration Power Limit is set to 125 watts. Would raising it noticeably improve performance? If so, what’s considered a safe setting? Someone else had their rig overclocked to more than 4000 MHz and it didn’t make sense. Thanks for your help—I’m still learning about PC specs!
SPECS: Asrock Z590-C/ac MoBo 11700k i7 32GB DDR4 3200 GeForce 3060ti
I thought you meant talking about boosting DDR2 performance, the title suggests it. DDR2 platforms don’t support XMP fully, or maybe it’s a step toward CPU-level XMP. It seems like a rough idea—trying 1.2, 1.25 or 1.3v could push it to around 4.8 and 5GHz, but I’d recommend sticking with about 1.2v and a static 4.8GHz for better efficiency. For RAM, XMP isn’t really useful; you might want to let the system auto-set voltages and timings for faster RAM speeds. If you have good RAM, manual overclocking is worth a try, but it takes time. Otherwise, just let XMP handle it automatically.
Sure, I'm going to assume we're discussing DDR4. I think some DDR2 models support XMP settings. That indicates it's functioning properly. Just stick with auto settings—you won't gain much performance. Since that interferes with boost settings, it might be slowing your PC down. You could try setting it to 999 to bypass the restriction and it should work better. Unless you're experienced, it's probably safer not to adjust it.
Yep, you're at 3200 MT/s. Because it's DDR ( D ouble D ata R ate) RAM, the rated "clockspeed" is twice that of the real clockspeed. So a DDR4 RAM kit rated for 3200 "MHz" (actually 3200 MT/s) will run at 1600 MHz. No, that's normal. It's showing all the possible profiles your motherboard/BIOS could load - from what I've seen it's 3 JEDEC specs (2133 and/or 2400 and/or 2666 usually) and then the XMP profile at the end. Unless you're prepared for a world of random crashes/BSoDs, boot fails, weird inconsistencies, and other possible nightmares that come from RAM timing tweaking, don't touch it.