Ryzen 5 2600 - B350 oc
12 minutes ago, SKERVESEN said:Hola
I am experiencing some weird system freezes after pushing my Ryzen to 4.0 GHz.
System spec:
- MOBO: Asus Prime B350-Plus
- CPU: Ryzen 5 2600 obsiously
- RAM: DDR4 Corsair Vengeance LPX 2x8GB 3000 MHz @ 2933 MHz - 1.35V
- GPU: Sapphire Radeon RX580 Nitro+
- PSU: 550W Seasonic Focus Plus Gold
- CPU cooler: AiO CoolerMaster Master Liquid 240 Lite
- Fan config: 2x140 intake, 1x120 + 240 AiO exhaust
So what I basically do is change the core ratio from stock 34 to 40 and push the VDDCR CPU voltage up to about 1.33-1.35V in offset mode. I have also disabled the AMD's prorietary core performance boost since I didn't want to stack overclocks and set the performance bias to none. I have increased the stock VDDCR SOC voltage by 0.2V in offset mode but I am not really aware of what this parameter really does - I've just read about it. I have also set the load line calibration setting to High on both VDDCR CPU and VDDCR SOC since I've read that it allows both to get just a small voltage boost when the system is on the edge of stability.
I am stresstesting my system with Aida64 Extreme and the CPU temp doesn't go above 55C after 30 minutes of 100% load. In CPU-Z I've never seen the CPU voltage go above 1.37V. The CPU power package is aroud 95-100W tops. No restarts, no bluescreens BUT sometimes when I try to do anything during the stresstest (like moving the mouse pointer around, browse through my files) my system can randomly freeze for couple of seconds and then fully recover. Cinebench R15 is pretty good with the score of 1350 but after 3-4 cycles it slows down to 350 and won't get up until i restart the system (temps are fine). I went back to the stock CPU settings after discovering that. Is that a sign of a bad overclock? What could I do to improve?
Have you downloaded HWINFO64, and verified you aren't receiving any WHEA errors? That would be the first indicator that your overclock is not stable. I would highly recommend doing that. If you get a few WHEA errors they were correctable, and probably explain your low scores being the result of some failed calculations which indicate that the overclock isn't stable.
If you aren't receiving WHEA errors, and you see your CPU downclock during the 350 score run i'd recommend dialing back your LLC, or Vcore. With it being a B350 board, and not an X370 your VRM's might not be up to the task.
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