Enter the original voltage, new clock speed, original clock speed, and new voltage into the calculator to determine the missing variable for CPU overclocking.

Cpu Overclock Voltage Calculator

Voltage Scaling (Main)
Power & Temp Estimate
VID Offset
BCLK × Multiplier

Enter any 3 values to calculate the missing variable

CPU Overclock Voltage Formula

The following formula is used to calculate the new voltage for a given clock speed when overclocking a CPU.

V_{new} = V_{original}* (C_{new} /C_{original})

Variables:

  • Vnew is the new voltage
  • Voriginal is the original voltage
  • Cnew is the new clock speed in MHz
  • Coriginal is the original clock speed in MHz

To calculate the new voltage, multiply the original voltage by the ratio of the new clock speed to the original clock speed.

What is CPU Overclocking?

CPU overclocking is the process of increasing the clock speed of a computer's central processing unit (CPU) beyond the manufacturer's specified rate. This is done to improve the performance of the CPU, allowing it to handle more tasks or run more demanding applications. Overclocking can lead to higher performance in tasks such as gaming, video editing, and other CPU-intensive activities. However, it also increases the power consumption and heat output of the CPU, which may require additional cooling solutions to prevent overheating and ensure system stability.

How to Calculate CPU Overclock Voltage?

The following steps outline how to calculate the CPU overclock voltage.


  1. First, determine the original voltage (Voriginal).
  2. Next, determine the new clock speed (Cnew).
  3. Next, determine the original clock speed (Coriginal).
  4. Finally, calculate the new voltage using the formula Vnew = Voriginal * (Cnew / Coriginal).
  5. After inserting the values and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

Original Voltage (Voriginal) = 1.2 V

New Clock Speed (Cnew) = 4000 MHz

Original Clock Speed (Coriginal) = 3000 MHz