Gaming

Polling Rate Impact

See input latency at 125Hz vs 1000Hz vs 8000Hz.

Polling rate vs input latency

How much real-world latency do you save jumping from 1000 Hz to 8000 Hz? Less than you'd hope.

Avg interval

1.0 ms

vs 1000 Hz

±0 ms

Reality check: the difference between 1000 Hz and 8000 Hz is 0.875 ms in best case. Frame time on a 240 Hz monitor is 4.17 ms. CPU/GPU usage from high polling can negate the gain.

Polling rate, demystified

Polling rate is how often your mouse reports its position to the computer, measured in Hz. 1000 Hz means once every 1 ms; 8000 Hz means once every 0.125 ms. In theory, higher = lower input lag. In practice, the gain past 1000 Hz is often invisible.

When higher polling actually helps

360 Hz+ monitor: frame time is 2.78 ms, so sub-ms polling differences are within the same frame budget.
High cm/360° tracking: slow flicks reveal small polling jitter as wobble.
CPU headroom: 8000 Hz can use 5-10% extra CPU. If you're already at 95% on a busy game, drop back to 4000 or 1000.

When higher polling hurts

Older CPUs: 8000 Hz can cause stutters or frame drops in CPU-bound games (CS2 on a busy server, Valorant with many smokes).
USB hub on a slow port: 4000+ Hz needs USB 2.0 high-speed minimum, ideally a direct motherboard port.
Specific game engines: some games clamp polling internally; you're paying CPU cost for nothing.

Recommendation

For 99% of players: 1000 Hz is the sweet spot. It covers any monitor up to 360 Hz with zero CPU overhead and no compatibility risk. Move to 4000 or 8000 only if you've already maxed out everything else and you're playing at the bleeding edge (240 Hz+, low cm/360°, top 0.1% rank).