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Controller Diagnostic

Controller Polling Rate Test

Measure your controller's real polling rate in Hz online for free. Check input latency, packet jitter, and USB overclocking stability on PS5, Xbox, Switch, and PC.

Wiggle analog sticks rapidly to test polling rate frequency...
No Controller Detected
CURRENT POLLING RATE 0 Hz 0.00 ms average interval
PEAK POLLING RATE 0 Hz Awaiting Input

Polling Rate Frequency Benchmarks

800 – 1000 Hz (~1.0ms delay)

Overclocked USB connection (DualSense / DualShock 4). Maximum frame synchronization for esports competition.

250 – 500 Hz (2.0ms – 4.0ms delay)

Standard high-speed wired or 2.4GHz proprietary wireless dongles. Excellent responsiveness for all games.

< 250 Hz (> 4.0ms delay)

Standard Bluetooth or default XInput polling. Noticeable input delay in high-refresh-rate 240Hz/360Hz monitors.

How to Get Started

Just three steps to run a complete controller test and understand your controller's health status.

01

Connect Controller

Connect your controller to your computer via USB cable or Bluetooth. If the browser doesn't respond, press any button on the controller to activate the connection.

02

Button Detection

Press each button in the visual interface and confirm the corresponding area lights up on screen. This helps troubleshoot unresponsive or double-clicking buttons.

03

Sticks & Vibration

Rotate the sticks to check linearity and drift issues; click the vibration test button to feel if the left and right motor feedback is working properly.

What would you like to do next?

Select a diagnostic calibration suite, deadzone analyzer, or high-frequency overclock tool.

Fix

Repair & Calibration

Calibrate zero-point offsets or follow step-by-step repair guides.

WebHID Calibration
Optimize

Game Deadzones

Calculate exact radial vs axial deadzone overlays for Fortnite, Apex, & COD.

Deadzone Calculator
Telemetry

Overclock & Circularity

Verify browser-observed update timing Hz stability and statistical circularity grades.

Hz & Circularity Tools

Need full hardware latency analysis?

Combine polling frequency telemetry with stick drift, button matrix, and reaction delay benchmarks.

Run Full Wizard Latency Estimator

Related Diagnostic Tools

Stick Drift Tester

Isolated 0.1% stick drift detector.

Latency Estimator

Measure input delay & reaction speed.

Deadzone Visualizer

Find optimal stick deadzones.

Controller Health Score

0–100 condition report card.
Play & Practice

Practice what you just tested

Turn your test results into skill. These arcade games train the exact inputs you just measured — drift, buttons, triggers, D-pad and reaction time.

Browse all games
+100 XP

Nova Blaster

Twin-stick arena shooter — move, aim, and survive waves.

Play
+75 XP

Quick Draw

Press any button the instant the signal turns green. Reaction timer.

Play

Why Controller Polling Rate (Hz) Matters in Esports

Polling rate—expressed in Hertz (Hz)—measures the number of input reports transmitted by your gamepad to the operating system every second.

While standard display refresh rates (144Hz, 240Hz, 360Hz) dictate how frequently you see new frames, controller polling rate dictates how fresh the controller coordinate state is when that frame is rendered.

USB Endpoint Polling vs. Bluetooth Transport Intervals

  • Wired USB Interrupt Endpoints: USB HID controllers define a hardware polling interval (bInterval). On Windows and Linux, standard USB polling defaults to 4ms (250Hz) or 8ms (125Hz). By utilizing custom filter drivers (such as HIDUSBF / LordOfMice), PlayStation DualSense and DualShock 4 controllers can be safely overclocked to an endpoint interval of 1ms (1000Hz).
  • Bluetooth L2CAP Wireless Packets: Standard Bluetooth connections use dynamic sniff mode and connection intervals that fluctuate between 100Hz and 250Hz depending on RF interference and battery state.

How to Verify a Controller Overclock

  1. Connect your gamepad via a direct USB 3.0/3.1 port on your motherboard (avoid unpowered USB hubs).
  2. Apply your overclock utility settings (e.g., Filter on Device, Rate = 1000).
  3. Run the Polling Rate Checker above while rapidly spinning both analog sticks in continuous circles.
  4. If the live Hz counter stabilizes between 950Hz and 1000Hz with average intervals around 1.0ms, your overclock is active and stable.

Controller Hardware Glossary & Tips

Stick Drift & Deadzones

Stick drift occurs when analog sticks register input without being touched. This is typically caused by physical wear in traditional carbon-film potentiometers. A deadzone is a software-level threshold (e.g., 5-10%) applied to ignore these microscopic false inputs.

Hall Effect Sensors

Unlike traditional ALPS potentiometers, Hall Effect modules use magnetic fields to measure stick position. Because there is no physical contact or friction between the internal components, they are virtually immune to wear-induced stick drift, drastically extending the controller's lifespan.

Polling Rate (Hz) & Input Latency

Polling rate is how often your controller sends data to your device, measured in Hertz (Hz). A standard Bluetooth connection yields around 125Hz (8ms latency). Overclocking or using a wired USB connection can push this to 500Hz-1000Hz (1ms-2ms latency), critical for competitive gaming.

Circularity Error

When you rotate a joystick along its outer edge, a perfect module should trace a mathematically perfect circle. Circularity error measures the deviation from this perfect circle. High deviations (>15%) can result in uneven diagonal movement speeds in FPS games.

Frequently Asked Questions

Everything you need to know about testing your controller.

What is controller polling rate (measured in Hz)?

Polling rate is the frequency at which your controller reports updated button and thumbstick data to your operating system each second. A 250Hz rate updates every 4.0 milliseconds, 500Hz updates every 2.0ms, and 1000Hz updates every 1.0ms.

How do I test my controller polling rate online?

Connect your controller via USB or Bluetooth, press any button to awaken the browser Gamepad API, and wiggle the analog sticks continuously. The counter samples the microsecond delta between consecutive input packets to compute real-time and peak Hz.

Why is my Xbox controller locked to 125Hz or 250Hz over USB?

Standard Microsoft Xbox controllers use standard Windows XInput drivers locked to an 8ms (125Hz) or 4ms (250Hz) USB bInterval descriptor. In contrast, Sony DualSense and DualShock 4 controllers use DirectInput USB descriptors that can be overclocked to 1000Hz (1ms).

Does higher polling rate reduce input latency in competitive games?

Yes. Upgrading from 125Hz (8ms frame delay) to 1000Hz (1ms frame delay) reduces input latency by 7ms, significantly improving shot timing, flick aiming responsiveness, and physics synchronization in Rocket League and competitive FPS games.

Why does Bluetooth polling rate fluctuate during gameplay?

Bluetooth gamepads dynamically throttle packet reporting intervals to conserve battery power when inputs remain static. Rapidly moving both thumbsticks forces the wireless stack to transmit at its maximum hardware reporting capacity.

How this test works & its limits
  • This test reads your controller through the browser's standard Gamepad API — no drivers, no installs, nothing leaves your device.
  • Readings depend on connection mode: Bluetooth reports at lower rates than USB. Compare like-for-like (wired vs wired).
  • We measure the input reaching the browser — display lag and game-engine queues are outside this test's view.
  • A clean reading now does not guarantee no drift in-game: deadzones differ per game, and wear develops over time. Use the Drift Timeline to track yours.
  • This is a diagnostic, not a hardware-lab certification. For repair or RMA decisions, confirm with a second run or second tool.
Read the full methodology
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.

Free Forever

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