Why Underclocking And Undervolting The GPU is The Best Thing You Can Do

High temperatures are a problem in the gaming sphere. They cause a ton of problems. Thermal throttling, loud noise due to fan kicking into overdrive, performance instabilities and reduction of lifespan of the hardware.

Because of this every PC and laptop owner has thought about this doing – underclocking and undervolting their GPU or CPU. Underclocking or undervolting your GPU or CPU is one of the solutions to reducing high temperatures.


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But, what if you are new to this and plan on solving your high-temperature problem. What risk does it carry? If you plan on underclocking or undervolting your GPU. Here’s what you need to know about underclocking and undervolting your GPU. And if it is safe.

What Does Underclocking and Undervolting Mean?

Underclocking or downclocking is the opposite of overclocking. It is where you intentionally reduce the clock speed of your CPU or GPU. Clock speed is the number of cycles it can execute in a second. The higher the clock cycle the higher the number of instructions the GPU or CPU can execute in a second. Clock speeds are measured in megahertz (MHz).

GPU Undervolting

Undervolting, on the other hand, is reducing the voltage consumption of your CPU or GPU. Your hardware components consume a certain amount of voltage to function. Underclocking is the opposite of overvolting where voltages are increased.

Intentionally decreasing clock speed is underclocking. Intentionally decreasing voltage is undervolting. As simple as that.

Benefits Of Underclocking and Undervolting Your GPU

Underclocking and undervolting carry huge benefits. A major reason why manufacturers often underclock and undervolt hardware components in laptops.

Less Heat

For those suffering from overheating and thermal throttling. Underclocking and undervolting your GPU can reduce those high temperatures.

Also, high temperatures slowly destroy your hardware and cause instabilities. If you are using a laptop you will benefit immensely from this aside from applying thermal paste. As mentioned above, manufacturers tend to underclock the GPUs or CPUs of laptops.

Laptops have bad cooling systems all because of their small chassis and fans. So it doesn’t make sense to put fully powered GPUs into them. Even with all the underclocking and improvised cooling systems the CPUs and GPUs of some laptops still run hot.

Desktops have better cooling systems but even so, your GPU might be working too hard and run at high temperatures. This is where underclocking or undervolting it will solve the problem. Stable temperatures and a quieter PC experience – your fans won’t work extra hard.

Stable Performance And Less Power consumption

High temperatures cause instability in performance. Every hardware has a temperature limit it can endure. High temperatures occur during heavy loads and when the cooling system is subpar.

The GPU and CPU are going to work extra hard and power consumption is going to increase. As power consumption increases the temperature also rises. And after a certain limit, the CPU and GPU can’t take the heat anymore. And so performance drops or throttle.

These drops in performance is a must so that temperatures will reduce to appreciable levels. When things cool down the whole process starts again. There is an increase in performance and temperature and a drop when temperatures get to high.

A common example is gaming where temperatures run so high the GPU and CPU thermal throttle resulting in a massive drop in FPS.

This is where underclocking and undervolting comes in. By reducing the clock speed and power consumption. You effectively reduce the heat it produces. This translates to a more stable performance.

The CPU and GPU will run at near maximum performance without throttling. In laptops, less power consumption means better battery life. A win-win situation.

Longevity

High temperatures destroy hardware. Everything on this planet has a temperature limit it can endure before it gets destroyed. Same applies to PC components.

Your GPU can’t withstand high temperatures for long periods of time. You will effectively reduce the lifespan. Worst case scenario your desktop or laptop might unexpectedly shut down and never boot up.

Underclocking and undervolting will increase the lifespan of your components. Because it serves as a means to control excess power consumption and high temperatures.

Software That Allows You To Underclock and Undervolt Your GPU

There is software that you can use to underclock or undervolt your GPU. The recommended one to use is MSI Afterburner. There is also Throttlestop but that is for overclocking, overvolting, underclocking and undervolting your CPU. For an underclocking and undervolting guide. WePC’s Guide and Pascal GPU Boost are great guides.

Easily Underclock Your GPU With MSI Afterburner

Is Underclocking And Undervolting Your GPU Safe?

It depends. You can experience instabilities if not done properly. This occurs if you underclock and undervolt your GPU and CPU by a large amount. Every hardware requires a minimum amount of voltage for it to function normally.

If the requirements are not met then your hardware will seize to work or function properly. The best way to do it by decreasing the voltage by small amounts and see if working temperatures are at appreciable levels.

So, if you plan on doing it you should go ahead. But make sure you do the necessary research and follow the best guides out there.

Aside from underclocking and undervolting, there are other ways to reduce high temperatures.

Is Underclocking And Undervolting Your GPU Worth It?

Looking at the immense benefits underclocking and overclocking provide. There is no way you shouldn’t consider them especially when your laptop’s or desktop’s GPU is running at high temperatures.

Aside from better laptop battery life, better performance stability and a quieter PC. You also enjoy better battery life.

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