The core clock remains unchanged.
The core clock remains unchanged.
I own an i5 3570k with a ga-z77-hd3 motherboard. I planned to boost performance by adjusting the core clock to 4 GHz, but it only reached 3.6 GHz. After checking in CPU ID and stressing the CPU, it remained stuck at 4 GHz. I then tried an easy tune, but the installation warned it wasn’t compatible with this product.
When you try to adjust the main clock with a software tool like Intel XTU, it's likely you changed the single core turbo setting. In your experience with the 3570k, the behavior is consistent: - 4 cores turbo runs at 3.6GHz - 3 cores turbo at 3.7GHz - 2 cores turbo at 3.7GHz - 1 core turbo at 3.8GHz. To avoid this issue, you can turn off Intel Turbo Boost and set the core frequency multiplier in BIOS. The main downside is that your processor will always run at that speed, which raises heat and power usage.
Remove CMOS settings, test version 1.3 (offset) and version 3.9.
Task Manager typically provides an estimate rather than a precise measurement. It offers a value close to the real one, within an acceptable margin. If the setting appears in your BIOS, turn off Intel Speedstep and check if it improves performance. Otherwise, adjust the turbo ratios of the 1, 2, 3, and 4 cores to 4GHz.