How do I measure CPU bottleneck?

You enter your CPU and GPU performance in FPS or benchmark score, and the calculator estimates the bottleneck percentage.

Do I need technical knowledge to use this?

No, just enter your CPU and GPU FPS values or benchmark scores.

CPU Bottleneck Calculator

Estimate if your CPU is holding back your GPU and PC performance.

CPU FPS / Score

GPU FPS / Score

CPU Bottleneck

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About CPU Bottleneck

The CPU Bottleneck Calculator helps gamers and PC enthusiasts determine whether their CPU is limiting the performance of their GPU. A high bottleneck percentage indicates that the CPU is underperforming compared to the GPU.

How to Use?

Enter your CPU FPS or benchmark score.
Enter your GPU FPS or benchmark score.
Click "Calculate Bottleneck" to see the estimated percentage.
Lower percentage means balanced performance, higher means CPU is a bottleneck.

Frequently Asked Questions

Yes, the CPU Bottleneck Calculator is completely free.

Enter CPU and GPU FPS or benchmark scores, and the tool estimates the bottleneck percentage.

No, just input your CPU and GPU scores to get results.

Yes, it works for desktops and laptops with any CPU and GPU combination.

No registration is needed. You can use it instantly.