How To Underclock CPU (Step by Step Guide) 2023

Most computer processing units are composed of multiple cores that perform various functions in that system. Every core in the CPU works at a predetermined velocity, referred to as the “Clock Speed Of CPU.” Many modern computer users increase or decrease the CPU clock speed according to their modifications. This whole process is known as Overclocking or Under Clocking.    


To be more specific, Underclocking, also known as downclocking, is the process in which a user reduces the computer’s clock speed. It is usually less than the default clock speed set by the manufacturer. There are some methods to underclock your system at home without the consultation of an expert. Although overclocking your system has more advantages than underclocking the CPU, some users still desire to underclock their PC. 

Precautionary Guidelines:

Downclocking, commonly known as Underclocking, is safe if carried out correctly. Mostly, re-adjusting your computer’s operating system causes some unexpected issues to your system. So, underclocking or overclocking the CPU is recommended for experienced users who understand the processing unit’s basic working model. Downclocking your CPU affects the warranty and overall functioning. But, you don’t have to worry as generally, underclocking is safe to carry out. 

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Benefits Of Underclock:

Downclocking or Underclocking reduces the energy directed toward the CPU. This phenomenon lowers the temperature of the processing unit. The optimum heat level and less heat output are achieved through Underclocking. Most gamers and streamers underclock their CPU for less noise and improved operating performances. It is also quite common to be used by graphic designers and other digital creators. Following are some methods to underclock the CPU:

Standard Method:

It’s easy to downclock the processing unit if you’re a Windows user. You will have to follow these easy steps for this purpose: 

  • Tap the start button from the menu bar
  • Open settings and select the “Power & Sleep” option
  • Look through the list of options and click on the “additional power settings.”
  • Tap on the “change plan settings.” 
  • Select the option of changing “advanced power settings.”
  • Click the dropdown key on the “thermal settings” and “intel dynamic platform”
  • Tap the expand dropdown menu key on configuration TDP 
  • Select battery 
  • Click on the low TDP and save your applied settings

Using BIOS keys:

You can also underclock your CPU by BIOS setup keys on your system. BIOS is most commonly defined as the “basic input-output setup.” BIOS settings can modify the processing speed of the CPU. For downclocking the processing unit, follow these guidelines carefully:

  • Start your computer as usual 
  • Tap F12, F1, or any other BIOS keys while your system is getting started 
  • Press the advanced setting tab
  • Click on the CPU multiplier 
  • Search for the option named “clock” or “CPU ratio.”
  • Adjust it to your desire accordingly
  • Tap the F10 to save your adjustments 

For AMD chips:

Dynamic platform users can use the following method if your system doesn’t feature intel. It is most workable for computers with AMD processing chips:

  • Tap on the windows button 
  • Open settings and select “system.”
  • Click on “power & sleep” 
  • Search and select “additional power settings.”
  • Open “change plan settings.” 
  • Tap on “Change advanced power settings.”
  • Expand the dropdown button on “processor power management.”
  • Select “maximum processor state.”
  • Click on “battery” and adjust as you desire 
  • Save your adjusted changes 

Underclocking or Downclocking your CPU is an excellent method to reduce the output heat of a processing unit. It also expands the lifespan and processing performance of the system. The computer’s battery life is also maintained at an optimum state due to underclocking. It can slow your system in some ways, but it is quite necessary for the overall health of the computer. 

Users that often complain about low battery life and battery drainage quite quickly should try underclocking their CPU. But be very careful while downclocking your processing unit often; incorrect Underclocking leads to sudden freezing and lagging in the computer. Instability of the system is also caused by often underclocking the CPU. Always restart your device after it is downclocked for better performance.  

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