Extreme heat i7 8700k with overclocking
Extreme heat i7 8700k with overclocking
Hello everyone, I recently attempted to further overclock my 8700k to 4.8Ghz again after a year. I adjusted the multiplier and increased the voltage to 1.29 with an LLC of 2 on my Asrock z370 extreme4. The unusual occurrence was that my temperatures jumped instantly to over 90°C during Prime95 (without using AVX) and other applications such as cinebench r15. At this stage, I tried 4.7 and 1.26, but the temperatures remained extremely high. I also had a Kraken x73 in a TD500 mesh case with a halo duo ring exhaust fan set to performance mode, and I believe that the stock temperatures are also quite high. The only setting I changed in the BIOS was the XMP profile, which doesn’t seem to be the reason for the high temps—even when disabled, they stayed the same. I’ve already replaced the thermal paste (mx-4), and I’m confident the cooler is functioning properly (the pump operates in performance mode, fans are working well, and the liquid temperature reached a maximum of 34°C). The room temperature is around 24°C. I’m thinking about replacing the case. Any advice would be greatly appreciated. Thanks.
what tools are you using to track temperatures?
this isn't the ideal setup for stable overclocking.
begin with 4 and gradually increase to 6-7 if stability is achieved.
hopefully this also covers the front intakes.
several other parameters need adjustment during this process.
check a detailed guide specifically for overclocking the 8th generation.
the last time I attempted an 8th generation on Z370 was about two years ago.
my 8700K performed well at 5GHz with 1.225v, idling around 35° and gaming at 65°.
i think it was a better chip compared to others.
search for features like Thermal Voltage Boost, Multi-Core Enhancement, and any auto-boost options, then turn them off.
as long as Turbo Boost and c-states remain active, your own clock multiplier and voltages should suffice.
Thank you for your response. The case has three front intake fans. I followed a guide and turned off all the c states, mce, intel speedstep, speed shift, and ring to core settings, but temperatures remain high. My motherboard in llc1 is the most aggressive, maintaining voltage close to what I set in BIOS, whereas llc5 shows more voltage drop under load. For temperature monitoring, I used HWmonitor and HWinfo, which all show consistent readings, while in NZXT cam the CPU temperature is noticeably lower—I’m unsure why.