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Cooler Master MM731 vs SteelSeries Rival 3: Comparison
Cooler Master MM731 and SteelSeries Rival 3 separate most on weight: Cooler Master MM731 at 49, SteelSeries Rival 3 at 77, 57% in favour of Cooler Master MM731. They match on grip type, buttons and polling rate.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Brand | Cooler Master | SteelSeries |
| Connectivity | Wireless (2.4GHz), Bluetooth | Wired |
| Grip Type | Ambidextrous | Ambidextrous |
| Model | MM731 | Rival 3 |
| Shape | Symmetrical, honeycomb | Symmetrical |
| Sensor Tier | High | Entry |
| Buttons | 6 | 6 |
| Polling Rate | 1000 Hz | 1000 Hz |
| Weight | 49 | 77-57% |
| Sensor | PixArt PAW3370, up to 19,000 DPI | TrueMove Core Optical |
Verdict
Cooler Master MM731
8 / 10 Expert Rating
One of the best value-for-weight wireless mice available; it just lacks the sensor polish of pricier flagships.
SteelSeries Rival 3
8 / 10 Expert Rating
The best budget mechanical-switch mouse in SteelSeries' lineup, and a fair pick for anyone who doesn't need a flagship sensor.




