how to undervolt using intel extreme tuning utility

The software method is the most practical way to find your perfect voltage since you don’t have to restart the computer every single time you need to make changes. For example, the Intel Extreme Tuning Utility or ThrottleStop. You can use the BIOS or UEFI menu to adjust the CPU’s settings at a firmware level, or you can use a software utility from within your operating system. There are two ways to adjust the voltage of a CPU. In this case, you can save power, reduce heat, cut the noise, and maybe get a few more FPS in games. You may be lucky enough to have a desktop to laptop CPU or GPU that happens to run well on lower voltages than it’s supposed to. The same happens with overclocking, where the “CPU lottery” sometimes nets you a processor that can safely reach clock speeds reserved for much more expensive components. Within that group of CPUs, some will happily run at lower voltages than the official specification. Processors are “binned” into certain performance classes, and all that pass validation are guaranteed to run at a specific voltage and clock speed range.

How to undervolt using intel extreme tuning utility