Mouse Sensor Test
Analyze raw optical sensor motion, detect pixel skipping artifacts, and measure tracking consistency across smooth and rapid stroke patterns.
Move Mouse Across Surface
Draw continuous fluid shapes to analyze sensor tracking smoothness, micro-jitter noise, and straight-line angle snapping.
Sensor Jitter & Motion Smoothing Reference
Benchmark comparison showing motion fidelity and smoothing latency across modern optical sensor generations.
PixArt PAW3395 / Focus Pro 35K
Flagship OpticalLogitech HERO 2
Flagship OpticalPixArt PMW3360 / 3389
Classic EsportsCommon Sensor Performance Artifacts
High DPI Jitter Noise
Ripple NoiseSetting your sensor to extreme DPI values (e.g., >6400 DPI) amplifies microscopic surface flaws and hand tremors, causing jagged cursor ripples.
Pixel Skipping
Windows ScalingDisproportionately high Windows cursor multiplier settings force the OS to skip screen pixels during movement. Always keep Windows pointer speed at 6/11 notch.
Hardware Angle Snapping
Linear PredictionFirmware prediction that forces near-horizontal movements into perfectly straight horizontal lines. Great for drawing lines, bad for organic aim curves.
Sensor Smoothing Latency
Input DelayHigh DPI settings (above 3200 DPI on older sensors) often activate internal frame smoothing algorithms, adding 2–6ms of input lag to tracking.
Mouse Sensor Test Frequently Asked Questions
- Pixel skipping occurs when Windows pointer precision (acceleration) is enabled, surface dust obstructs the optical sensor lens, or high DPI settings amplify micro-hand tremors.
- Angle snapping is hardware-level smoothing that forces diagonal pointer motion into straight horizontal or vertical lines. Esports players turn this off for raw 1:1 mouse input.