Controller Diagnostic

Latency Estimator

Test controller input latency and human visual reaction speed in milliseconds. Measure response delay on PS5, Xbox, and Switch controllers online.

Click 'Start Reaction Test' then press any button when box turns GREEN...
No Controller Detected
Click Start Below Ready when box turns emerald green
LAST REACTION TIME 0 ms
BEST (FASTEST) 0 ms
AVERAGE (5 TRIES) 0 ms

Reaction Speed Benchmarks

< 180 ms (Esports Tier)

Top 5% human reaction speed. Ideal for competitive FPS and fighting games.

180 – 240 ms (Average Gamer)

Standard human reaction window. Great performance for casual and ranked play.

> 250 ms (Below Average)

Slower response. Consider switching from Bluetooth to wired USB mode.

What would you like to do next?

Fix Problem

Repair Guide

Step-by-step tutorial to calibrate or repair your controller.

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Game Settings

Get optimal deadzone & sensitivity settings for Apex, COD, Fortnite.

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Controller Recommendations

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Test your controller polling rate in Hz

Check if your controller reports at 125Hz, 250Hz, 500Hz, or 1000Hz over USB.

Check Polling Rate

Related Diagnostic Tools

Polling Rate Checker

Measure input report frequency in Hz.

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How Controller Input Latency Impacts Gaming Performance

Total latency equals the sum of human visual reaction time, controller polling delay, OS processing overhead, and display lag. Reducing controller latency by 5ms gives players a distinct advantage in high-stakes firefights.

3 Ways to Reduce Controller Latency

  • Switch to Wired Mode: Connect via high-speed USB-C cable rather than standard Bluetooth.
  • Overclock Polling Rate: Use USB polling rate utility software to boost report frequency to 1000Hz (1ms).
  • Enable Game Mode on Display: Turn on low-latency Game Mode on your monitor or TV to cut display lag.

Frequently Asked Questions

How do I test my controller input latency?

Connect your controller above, click Start Reaction Test, and press any button immediately when the screen turns emerald green. The tool measures your reaction delay in milliseconds.

What is a good controller reaction latency time?

Average human visual reaction speed is between 190ms and 250ms. Competitive gamers using 1000Hz overclocked controllers regularly achieve response times under 170ms.

Does wireless Bluetooth add input latency compared to USB cable?

Yes. Bluetooth adds 4ms to 8ms of input delay compared to a wired USB connection. Overclocking USB polling rates to 1000Hz minimizes hardware latency to sub-1ms levels.

100% Client-Side

All Gamepad API data stays in your browser. Zero tracking or data collection.

Instant Results

No downloads, plugins, or software installation needed. Works instantly.

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