Mouse DPI or polling rate? Compare sensitivity and reporting separately

DPI describes mouse sensitivity; polling rate describes how often the mouse reports to the computer. They answer different questions. A large DPI number does not tell you the reporting frequency, and a high polling rate does not choose a comfortable cursor speed for you.

Start with the movement you want

DPI is the sensitivity setting associated with physical mouse movement. Keeping other settings the same, a higher setting makes a smaller hand movement produce more cursor movement. Operating-system pointer settings and application sensitivity also affect the result, so two people's preferred numbers are not a reliable buying prescription.

Ask whether you want more movement across a large desktop or finer control over a small target. If your current mouse already offers a comfortable setting, a higher advertised maximum is not by itself a reason to replace it. Shape, button reach and the space available for movement remain separate choices.

Read Hz as reporting frequency

Polling rate is expressed in hertz. For a regularly spaced report stream, 125 Hz corresponds to an 8 ms interval, 500 Hz to 2 ms and 1,000 Hz to 1 ms. These are arithmetic report intervals, not measured end-to-end response times. They do not include everything the computer, application and display do after receiving a report.

Do not turn the difference between two intervals into a promised reaction-time improvement. A specification is not a controlled test, and a headline maximum may apply only to particular connection modes or settings.

A comparison card that keeps the numbers separate

Copy this card for each candidate rather than ranking mice by their largest number:

• My task: documents, detailed editing, a named game, or another task.
• Sensitivity: the DPI range and available steps; whether my preferred setting is offered.
• Reporting: the supported Hz values in the mode I will use.
• Connection: wired, receiver-based wireless or Bluetooth; required port and receiver contents.
• Daily fit: dimensions, hand preference, button layout and charging arrangement.
• Unanswered question: what needs written confirmation before buying?

For example, a reader who uses Bluetooth for office work should not choose between two mice solely on a wired-mode maximum. The missing Bluetooth specification is an unanswered question, not evidence that Bluetooth reaches that maximum. Another reader may prefer a particular DPI step even when a competing mouse advertises a much larger range.

A relevant product example

If you need adjustable sensitivity and several connection options, compare the iMICE G206 in black against your card. Its listing specifies 800–12,800 DPI, 125–1,000 Hz, and wired, 2.4 GHz and Bluetooth modes. The page does not clearly map every polling setting to every connection mode, so confirm that point before buying for a specific Hz requirement. These are listing claims, not our performance measurements or a guarantee of software support.

What to decide before checkout

Choose the usable settings, connection and physical fit rather than the highest headline number. If a mouse already meets those needs, changing settings may be more relevant than buying another one.

Sources and scope

This is a specification-based buying guide, not a hands-on product test. Product details were checked on 7 November 2026.

• Razer: mouse sensitivity and DPI
• Logitech G: polling frequency