Glossary · dpi

DPI (CPI)

Counts per inch — how many position reports your mouse emits per inch of physical movement.

DPI (dots per inch) and CPI (counts per inch) are interchangeable terms for the same thing: the sensor count rate. A 1600 DPI mouse emits 1600 reports per inch of movement. DPI is independent of polling rate. eDPI is in-game sensitivity multiplied by DPI — the canonical comparison number across players.

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Related
Polling rate
How many times per second your mouse reports its position to the host.
eDPI
Effective DPI — in-game sensitivity times mouse DPI.
cm/360°
Centimetres of physical mouse movement required to rotate the in-game camera 360°.