i5 7600k running at 4.8 Ghz temperatures after overclocking
i5 7600k running at 4.8 Ghz temperatures after overclocking
Hello,
I recently upgraded my gaming setup, adding a new graphics card in addition to the previous one. I’m running an i5 7600k and have been using Asus AI Suite III for overclocking. Initially, I didn’t plan to overclock manually, but I tried the software and it successfully pushed my CPU to 4.8ghz.
I understand that Kabylake tends to run hotter than Skylake because of its higher clock speed. During idle mode, I’m seeing temperatures between 42-44°C, which seems excessive. When playing games at 4.8ghz, the maximum I’ve recorded is 64-68°C across three titles: Witcher 3, DOOM, and Resident Evil 7 Biohazard. These readings are within safe limits for a Hyper 212X processor.
However, what concerns me more are the sudden spikes in temperature—both when idle and during gameplay. While playing at full speed, temperatures rise to 64-68°C for a brief moment before dropping back to 42-44°C almost instantly. This fluctuation is unusual and could affect performance or stability.
I’ve also conducted stress tests at 4.8ghz, and the temperatures spiked up to around 85°C before returning to normal. The fluctuations are rapid, lasting only a fraction of a second.
I’m wondering if there’s a way to reduce idle temps and prevent these sudden spikes. Should I aim for lower temperatures while gaming on this setup?
Thanks.
Hi,
I have the same CPU and cooler. Your temperatures look okay and you’re achieving a solid overclock with minimal voltage. I’m aiming for about 1.4v to reach 4.8+GHz. My temps are quite similar to yours.
The temperature increases are probably caused by background processes running on the CPU. Because these CPUs have a small die size, even minor usage will lead to noticeable spikes. You can verify this by running stress tests and observing the changes in temperature. It should fluctuate quickly, almost instantly.
Hope this gives you some insight.
For gaming those temperatures are near the limit but still acceptable. I wouldn't render videos at that clock speed since it would likely hit around 90-100C° then. When overclocking, you often see big temperature spikes at that level, which is why many of us in this range opt for watercooling to handle sudden changes more effectively. Remember, your CPU is now running about 35% faster than the stock speed, so temperatures are responding more aggressively. I'm actually surprised you reached that high with an air cooler—it's quite impressive. What voltage are you currently using?
So, I just verified the voltage during the stress tests multiple times again. Here are the findings:
At full load, AI suite iii, CPU-Z, and hardware monitor all reported the same core voltage range of 1.280v to 1.296v.
In HWMonitor, VID ranged from 1.320 to 1.325, with core temperature also noted.
This time I reached a peak of 82°C to 85°C, and once it hit 87°C on the second core.
87c is quite warm but not hazardous—this suggests the load being discussed operates at around 87°C under normal conditions. It’s likely a realistic scenario rather than an artificial setup. Keeping voltage below 1.4v is generally recommended, as it helps control heat generation more effectively than clock speed.
Ecky:
87c is hot but not dangerous - what kind of load is this? Is it hitting 87c under real usage, or artificial scenarios it'll never see? Most agree that keeping your voltage under 1.4v is a good idea. Voltage affects heat output more than clockspeed.
At 100% load AI suite iii, cpu-z and hwmonitor showed the same core voltage range of 1.280v to 1.296v. @ 4.8 ghz, during stress tests.
And VID from 1.320 to 1.325 in hwmonitor and coretemp. Mentioning VID as well in case it helps.
Peaked at 82°c-85°c and once reached 87°c on the second core @ 4.8 GHZ, while doing stress tests.
Core voltage: 1.280v to 1.296v. @ 4.8 ghz (Stress tests).
VID of 1.320 to 1.325 (Stress tests).
get it now?
Thanks.
Edit: Stress tests were performed using asus extreme tuning utility.
Yesterday I added a rear fan to my setup, specifically the Corsair 460x RGB model, because it lacks a rear exhaust. Now I'm experiencing temperatures between 35-37°C during idle. I haven't performed a stress test yet and think it would be wise to do so today.
Hi,
I have the same CPU and cooler. Your temperatures look okay and you’re achieving a solid overclock with minimal voltage. I’m using about 1.4v to reach around 4.8+GHz. My temps are quite similar to yours.
The temperature increases are probably caused by background processes running on the CPU. Because these CPUs have a small die size, even minor usage will lead to noticeable spikes. You can verify this by running stress tests and observing the changes in temperature. It should fluctuate quickly.
Hope this gives you some insight.