How do mouse DPI and polling rate affect aim?
The short answer
DPI (dots per inch) determines how far the cursor moves per inch of physical mouse movement. Polling rate (Hz) determines how often the mouse reports its position to the computer. Both affect aim performance, but polling rate matters more than most people realise — and most gamers are underusing it.
The data
| Polling rate | Positional update interval | Recommendation |
|---|---|---|
| 125 Hz | 8ms intervals | Outdated — avoid |
| 250 Hz | 4ms intervals | Acceptable minimum |
| 500 Hz | 2ms intervals | Good |
| 1000 Hz | 1ms intervals | Standard for competitive |
| 8000 Hz | 0.125ms intervals | Marginal benefit over 1000Hz |
DPI recommendation: Use 400–800 DPI and set in-game sensitivity so your eDPI lands between 200–800. Higher DPI doesn't inherently improve aim — the key is finding a consistent setting and never changing it. Muscle memory is built on consistency.
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Quick Answer
DPI determines how far the cursor moves per inch of mouse movement. Polling rate (Hz) determines how often the mouse reports its position. For competitive gaming, 400–800 DPI and 1000Hz polling are industry standards.
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