One of the fallacies we’d like to bust at this point is the hype that many brands dealing with gaming mice in particular create about the “DPI” rating. An acronym for “dots per inch”, one of the things the gaming peripherals industry has succeeded at is establishing the important of this specification, perhaps even grossly over-emphasising it. A brief explanation is in order – DPI is a measure of sensitivity. Quite simply, it’s a measure of how little you must physically move your mouse to move whatever object you are controlling on screen to a specific point. This could be as cursory an object as a file you want to select, or a running character you are trying to aim at with your reticule or HUD in a first person shooter like Crysis. The DPI number is the number of steps of movement that a mouse sensor will register when the mouse is moved physically by one inch. The higher the DPI rating, the faster the mouse will be perceived to be. But there’s a point beyond which mouse movement becomes too fast for the human perception to trace with any accuracy, rendering it useless. For example, a majority of gamers don’t use a sensitivity of more than 1,600 dpi, and many continue to use 800 dpi, therefore a mouse rated at 5,700 dpi is largely not doing much more for a gamer than say, a good 1,600 dpi mouse. Just remember – DPI isn’t everything.
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