CPU voltage configured at 1.200 V within BIOS settings, yet shows 1.744 V when viewed through CPU-Z.
CPU voltage configured at 1.200 V within BIOS settings, yet shows 1.744 V when viewed through CPU-Z.
Hi, I'm just starting out with overclocking and have some concerns. I'm attempting to increase my Pentium G3258 to 4.3 GHz. I adjusted the core voltage in the BIOS to 1.200V, and everything seems normal on benches—prime95 ran smoothly for about an hour at around 75°C. However, CPU-Z shows a core voltage of 1.744V, which matches the VCCIN setting in the BIOS. Changing it to 1.3V led to system failure. From what I've seen online, a voltage of 1.744V might be problematic for the CPU. Should I be worried? Is this just an issue with the software, or is there a real risk? Should I look for the lowest safe VCCIN setting, or is my current voltage still correct at 1.200V?
Config:
CPU: Pentium G3258 OC 4.3 GHz @ 1.200 V
Heatsink: Intel stock with new thermal paste (applied earlier this week)
Motherboard: MSI H81M-E33
GPU: R7 250
RAM: 8 g DDR3
PSU: 430W bronze+
Here are the BIOS OC settings and CPU-Z screenshots:
https://drive.google.com/drive/u/1/folde...m9lRkgwOGc
Any advice would be greatly appreciated!
I looked into the G3258 and noticed some users have adjusted their Vccin to 1.9 while keeping the Vcore low. Check out this link: If I were you, I’d set Vccin to Auto and let the motherboard handle it. It might cause the core voltage readings to be incorrect in Windows, but your BIOS controls the final setting. Just keep an eye on your temperatures!
I adjusted the VCCIN voltage to 1.325 V in the BIOS, but the system didn't boot, so I had to reset the CMOS. In HWmonitor it still shows the VCore voltage as 1.744 V, while the processor section lists all values within normal range (maximum 1.2 V)
I looked into the G3258 and noticed some users have adjusted their Vccin to 1.9 while keeping the Vcore low. Check out this link: If I were you, I’d set Vccin to Auto and let the motherboard handle it. It might cause the core voltage readings to be incorrect in Windows, but your BIOS controls the final setting. Just keep an eye on your temperatures!