These two mice are very similar, the difference being that the Sensei is ambidextrous and sports slightly smaller side buttons. What makes these mice interesting is the sensor, these are the first mice to feature SteelSeries own TrueMove3 sensor which they advertise as the only sensor with true one-to-one tracking.  This is somewhat correct as the PixArt PW3360 also features one-to-one tracking but only from 100 to 2100 CPI, the TrueMove3 is capable of the same between 100 to 3500 CPI before needing jitter reduction.  Does this matter when you are using it?  Check out The Tech Reports full review to find out.

"SteelSeries' Rival 310 and Sensei 310 are the company's first mice with its TrueMove3 sensor, which promises a wider range of one-to-one tracking than any other mouse sensor on the market. We put these mice to the test to see whether it made a difference to our K/Ds."

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