Connection type can affect latency, but wired is not automatically faster. A modern gaming mouse using a proprietary 2.4 GHz USB receiver can match or even beat some wired models in measured click-latency tests. The result depends on the specific mouse, connection mode, polling rate, firmware, radio conditions and the way latency is measured. Bluetooth is a separate connection mode and should not be treated as equivalent to either a wired USB link or a low-latency gaming receiver.
To make a fair choice, compare measurements made at the same endpoint and under similar conditions. A click-latency number measured at the mouse’s switch or USB port does not automatically predict the delay you will feel from a complete game system.
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What “latency” means for a gaming mouse
Latency is the time between an action and the computer receiving or displaying its result. For a mouse, that chain includes several stages: the switch or sensor detects the input, the mouse firmware processes it, the connection carries a report to the computer, the operating system and game process it, and the game renders a frame that reaches your display. A test that measures only one stage cannot stand in for the whole chain.
Click latency
Click latency starts when you press a button and ends at a defined electrical or USB event. RTINGS measures each compatible connection type separately. Its described setup uses a metal connector on the left button, a solenoid mounted on a testing arm and a custom breadboard built around a Teensy 4.0 development board. That arrangement lets the tester repeat button actuation and compare the resulting signal timing between mice and connection modes.
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Motion latency
Motion latency concerns the delay between moving the mouse and the computer receiving a corresponding sensor report. It is a different measurement from click latency. A mouse can perform well in one test and differently in another because switch electronics, sensor processing and report handling are not identical.
End-to-end game latency
End-to-end latency continues past the USB port: operating-system scheduling, the game’s input loop, frame rate, render queue and display refresh all contribute. Razer defines its own latency figure as the interval “from the moment of actuation of the switch to the signal being received at the USB port on the host device.” The company explicitly cautions that end-to-end latency can differ from that figure. Treat any mouse number as meaningful only when you know its start point, endpoint and test conditions.
The three connection modes are not interchangeable
| Connection mode | What carries the data | What the evidence supports | Questions to ask |
|---|---|---|---|
| Wired USB | A physical USB cable from the mouse to the computer | Provides a direct USB path, but its measured latency still depends on the mouse electronics, firmware and polling setting. Wired is not automatically the lowest-latency option. | Which polling rates are supported? Is the published result click, motion or end-to-end latency, and where was it measured? |
| Proprietary 2.4 GHz wireless receiver | A dedicated USB dongle communicates with the mouse over a vendor-specific radio link | RTINGS reports that modern proprietary receiver-based gaming mice can match or surpass wired models in click-latency testing. | Where should the receiver be placed? What happens in a busy 2.4 GHz environment? Does the same polling rate work wirelessly? |
| Bluetooth | The computer’s Bluetooth radio or an adapter | The supplied measurements do not establish a universal Bluetooth latency figure or a direct Bluetooth-versus-wired result. | What polling options and operating-system behavior does this particular model support? Is Bluetooth intended for gaming or for general compatibility? |
The word wireless therefore describes more than one technology. A low-latency 2.4 GHz receiver and Bluetooth should be evaluated as separate modes, not averaged into one generic wireless category.
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Polling rate is how often a mouse reports its state to the computer. At 1,000 Hz, the nominal reporting interval is 1 millisecond; at 8,000 Hz, it is 0.125 milliseconds. A higher rate can reduce the maximum wait for the next report, but it does not remove switch, sensor, firmware, radio, USB, game or display delays. It also does not prove that one mouse has lower total input lag than another.
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Polling rate and connection type can interact. A wireless mouse may offer a high rate only with its dedicated receiver, while Bluetooth may use a different reporting schedule. A wired mouse may support a high rate that the computer or game cannot process efficiently. Always record the mode and rate alongside any latency result.
A controlled example, not a universal wired-versus-wireless result
Razer reports an average of 0.090 ms for a wired 8,000 Hz HyperPolling setup versus 0.549 ms for a wired 1,000 Hz comparison. The company measured from electrical switch actuation to signal receipt at the host computer’s USB port under controlled conditions. Both figures are wired, so they demonstrate a polling-technology comparison rather than a wired-versus-wireless test. They should not be generalized to every mouse or interpreted as end-to-end game latency.
The difference between those figures is about 0.459 ms at that particular measurement endpoint. Whether that interval matters to you depends on the rest of your system and your sensitivity to timing; the number alone cannot answer that question.
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What independent and vendor tests can—and cannot—tell you
RTINGS click-latency methodology
RTINGS says it runs its click-latency test for each compatible connection type. Its apparatus repeatedly actuates the left button and records the resulting signal with a metal connector, a solenoid and a Teensy 4.0-based breadboard. Because the same basic procedure can be applied to wired and receiver modes, the results are useful for comparing particular models under that laboratory method.
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RTINGS’ broader conclusion is important: advances in wireless technology mean some proprietary USB-receiver gaming mice match or surpass wired models in latency performance. That is a model-level observation, not a guarantee for every wireless mouse.
Razer’s endpoint definition
Razer’s published definition—“Latency is measured from the moment of actuation of the switch to the signal being received at the USB port on the host device.”—makes the endpoint explicit. It is a useful number for comparing the tested setups, but it stops before the operating system, game and display. A manufacturer, laboratory or reviewer using a different endpoint may report a different value for the same mouse.
Historical academic measurements
The peer-reviewed paper On the Latency of USB-Connected Input Devices reports measurements of 36 commercial USB devices at their requested polling rates and explicitly at 1,000 Hz. The sample included keyboards, mice and gamepads, with wired and wireless variants. Published in a 2019 University of Regensburg study, it is valuable methodological and historical context. It is not a current average for today’s gaming mice, whose sensors, firmware, radios and high-rate modes have changed.
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- Separate the modes. Record wired USB, proprietary 2.4 GHz receiver and Bluetooth as different configurations. Do not use a single “wireless” label for all three.
- Match the polling rate. Compare 1,000 Hz with 1,000 Hz or 8,000 Hz with 8,000 Hz whenever possible. If the rates differ, state that difference next to the result.
- Match the endpoint. Put click-to-USB, motion-to-USB and end-to-end game measurements in separate columns. Never rank them as though they were the same quantity.
- Check the test method. Look for the actuation device, sensor or switch trigger, recording hardware, number of runs and environmental conditions. A result without an endpoint or method is hard to interpret.
- Check firmware and software settings. Firmware revisions, debounce settings, receiver utilities and operating-system drivers can change behavior. Use the same settings for both mice.
- Test wireless placement. Keep the receiver where the manufacturer’s instructions specify and repeat the test after moving it. A result obtained with a receiver behind a metal case may not represent the intended setup.
- Measure practical performance separately. Note cable drag, charging interruptions, battery management and receiver convenience as usability factors, not as substitutes for a latency measurement.
| Comparison axis | Why it matters | How to report it |
|---|---|---|
| Measured click latency | Shows the delay from a button actuation to the test’s chosen electrical or USB endpoint | Include the connection mode, polling rate, endpoint and test method |
| Measured motion latency | Captures sensor-report timing rather than switch timing | Do not substitute a click result for a motion result |
| End-to-end response | Includes software, game, rendering and display stages | State the complete test chain; do not infer it from a USB-port number |
| Polling rate | Sets the nominal reporting interval | List the actual mode and rate; a higher rate alone is not a guarantee |
| Wireless stability | Radio interference or poor receiver placement can create missed or delayed reports | Describe receiver distance, line of sight and nearby 2.4 GHz or USB 3 equipment |
| Practical handling | Cable drag, charging and battery routines affect consistency and comfort | Label these as practical considerations unless a controlled measurement is available |
Setting up a low-latency wireless connection
The following guidance is specifically reported by Razer for its HyperPolling wireless equipment. Other manufacturers may recommend different distances or placements.
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- Use the dedicated receiver. Select the mouse’s proprietary USB receiver mode when you are evaluating its gaming performance. Do not compare that result with Bluetooth and call both “wireless latency.”
- Place the dongle close to the mouse. Razer recommends keeping the receiver within 30 cm and in line of sight for its HyperPolling setup. A short USB extension can help position it on the desk rather than behind the computer.
- Move it away from active USB 3 hubs. Razer notes that active USB 3 hubs can generate 2.4 GHz interference. If you experience inconsistent reports, relocate the receiver and retest before changing other settings.
- Apply the intended polling setting. Confirm the receiver and mouse both support the selected rate. Compare results only after the setting has actually taken effect.
- Check computer capacity at very high rates. Razer warns that a computer may not have enough resources to process 8,000 reports per second in CPU-bound cases. If CPU usage rises or the game becomes unstable, test a lower rate and compare playability rather than assuming the highest number is best.
- Repeat under the same conditions. Keep the receiver position, USB port, firmware and game settings fixed when comparing two configurations.
Choosing wired, 2.4 GHz wireless or Bluetooth
Choose wired when a physical link suits your desk
Wired USB avoids charging and radio-placement decisions and gives you a consistent cable connection. It is a sensible choice when the cable can be routed without dragging across the pad, when you do not want to manage a battery, or when the model’s wired mode has the features you need. Do not select it solely on the assumption that every wired mouse is faster; the measured result still depends on the individual design and settings.
Choose a proprietary 2.4 GHz receiver when you want wireless movement without giving up measured performance
Receiver-based gaming wireless is the mode for which RTINGS reports parity with, or an advantage over, some wired models in click-latency testing. It adds receiver placement and radio-environment variables, but a properly positioned dongle can provide performance suitable for latency-sensitive play. Compare the exact mouse’s results rather than relying on the wireless label.
Choose Bluetooth for compatibility only when its behavior meets your needs
Bluetooth can be convenient for devices that lack a spare USB port or for switching among computers, but the evidence here does not establish a universal gaming-latency value for Bluetooth. Check the model’s documented polling options and test the actual computer and game combination if timing is important. Do not use a Bluetooth result to judge a mouse’s dedicated receiver mode.
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The wrong connection mode is active
A mouse may switch between wired, receiver and Bluetooth profiles. Verify the physical switch, receiver pairing and operating-system device entry before comparing numbers. A test made in Bluetooth mode cannot answer how the dedicated receiver performs.
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The polling rate is not what you think
Utilities can display a selected rate without the game or firmware applying it as expected. Confirm the rate in the active profile, then repeat the measurement at a known setting. Keep the rate attached to every result in your notes.
The receiver is obstructed or exposed to interference
For Razer HyperPolling equipment, first follow the 30 cm, line-of-sight recommendation and move the dongle away from active USB 3 hubs. If performance changes after repositioning, the original environment was part of the problem; that finding should not be generalized to every wireless design.
The computer is overloaded at 8,000 Hz
Razer’s warning about CPU-bound systems matters when a high report rate increases processing work. Observe CPU usage and frame-time consistency while testing. A lower polling rate that keeps the game stable may deliver a better end-to-end experience than a nominally faster setting that overloads the system.
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Check whether one number is click latency and the other is motion latency, or whether one ends at the USB port while the other includes a display. Different endpoints can make apparently conflicting results both correct for their own tests.
How much should the difference matter?
At the USB-port endpoint, Razer’s reported wired figures differ by less than half a millisecond between its 8,000 Hz and 1,000 Hz setups. That interval is real within the stated test, but it is only one component of total response. Frame time, display refresh and game processing can be larger contributors, and a wireless radio can add conditions that a laboratory comparison does not capture.
For a practical buying decision, prioritize a mouse with a clearly documented test method, a connection mode that remains stable in your environment and a polling rate your computer can process. If two models have comparable measured click latency, choose between them using comfort, shape, cable or charging preferences and receiver convenience. Those factors affect how consistently you can play, even though they are not themselves latency measurements.
A concise decision checklist
- Is the comparison between wired USB, a proprietary 2.4 GHz receiver or Bluetooth?
- Are both mice tested at the same polling rate?
- Does the published number identify its start and end points?
- Is it click latency, motion latency or complete game response?
- For wireless, was the receiver placed close to the mouse and away from potential interference?
- Can the computer process the selected polling rate without CPU or frame-time problems?
- Are cable movement, charging and battery requirements acceptable for your setup?
When those questions are answered, the useful conclusion is model-specific: connection type can influence latency, but the mode, implementation and measurement method matter more than the wired or wireless label by itself.
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