DPI Analyzer
DPI Analyzer
✓ FreeDPI Analyzer &
Polling Rate Test
Verify your mouse's true DPI and measure its actual polling rate (Hz) directly in your browser — find out if it's really reporting what the software claims.
↑ Embed your DPI analyzer & polling rate test widget here
What Polling Rate Actually Looks Like
Polling rate is how many times per second your mouse reports its position to your PC. A higher rate means smaller, more frequent updates — which is what actually reduces perceived input delay.
// 1ms average interval = 1000 Hz
// 8ms average interval = 125 Hz
Running the Test in Four Steps
Polling Rate Reference Chart
| Polling Rate | Report Interval | Max Input Delay | Recommended For |
|---|---|---|---|
| 125 Hz | 8 ms | 8 ms | Not Recommended |
| 500 Hz | 2 ms | 2 ms | Acceptable |
| 1000 Hz | 1 ms | 1 ms | Standard Competitive |
| 2000 Hz | 0.5 ms | 0.5 ms | High-End Gaming |
| 4000–8000 Hz | 0.25–0.125 ms | Under 0.25 ms | Enthusiast / Diminishing Returns |
1000 Hz is the de facto standard for competitive gaming, offering a 1ms report interval that’s imperceptible for the vast majority of players. Rates above 2000 Hz require a capable CPU, mouse, and system to fully benefit from.
Native DPI Steps & Interpolation
Most gaming mice use native sensor DPI steps. A DPI set outside these steps can be interpolated by firmware, which can introduce small accuracy drift.
| Set DPI | Sensor Type | Accuracy |
|---|---|---|
| 400 | Native step (most sensors) | Exact |
| 800 | Native step (most sensors) | Exact |
| 1600 | Native step (most sensors) | Exact |
| 450, 950, 1750 | Interpolated on some sensors | May Vary Slightly |
| Above 3200 | High-end sensors only | Check Sensor Spec Sheet |
Native step behavior varies by exact sensor model — check your mouse’s specification sheet for its confirmed native DPI steps if precision matters to you.
Why Testing DPI and Polling Rate Matters
Cheap or aging mice can drift from their rated DPI
Sensor degradation, outdated firmware, or budget optical sensors can cause a mouse to report a DPI different from what’s set in software. Testing periodically catches this before it affects aim consistency.
Wireless mice and dongles can affect polling rate
Signal interference, outdated dongle firmware, or USB port limitations can cause a wireless mouse to poll lower than its rated maximum. Testing confirms your real-world Hz rather than trusting the spec sheet.
USB hubs and extension cables can bottleneck polling
A low-quality USB hub or long, low-grade extension cable can silently cap polling rate below its rated value. If your result is lower than expected, try connecting directly to a rear I/O USB port.
Consistency matters more than chasing maximum numbers
A verified, consistent 1000 Hz and accurate 800 DPI serves better than an unverified “8000 Hz” mouse polling erratically. Once verified, feed your confirmed DPI into our eDPI calculator or cm/360 calculator for accurate results downstream.