It's because you can't overclock an Intel iGPU unless you do it from the bios and have a k-series chip, which it looks like you don't. Don't even bother overclocking the CPU graphics if it's in a laptop, it will most likely thermal throttle if you do anyways.
It's because you can't overclock an Intel iGPU unless you do it from the bios and have a k-series chip, which it looks like you don't. Don't even bother overclocking the CPU graphics if it's in a laptop, it will most likely thermal throttle if you do anyways.