When comparing Steelseries Rival vs SteelSeries Rival 300, the Slant community recommends Steelseries Rival for most people. In the question“What is the best gaming mouse?” Steelseries Rival is ranked 9th while SteelSeries Rival 300 is ranked 23rd. The most important reason people chose Steelseries Rival is:
The Steelseries Rival gaming mouse has a built in Pixart PAW3310 optical sensor that offers great tracking control.
Specs
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Pros
Pro Great tracking
The Steelseries Rival gaming mouse has a built in Pixart PAW3310 optical sensor that offers great tracking control.
Pro Works great on Linux, using the libratbagd software
Pro Satisfying clicks
Steelseries boast of new in house built switches used inside of the Rival. Use reports have claimed that the clicks as "satisfying".
Pro Great accompanying software suite
Steelseries uses a software suite called Engine 3 that is low resource and used to customize their gaming mouse options.
Pro Great value for money
At $59 the Rival gaming mouse has a great balance between build quality and value for money.
Pro Great grip and comfortable
Pro Customizable colors for scroll wheel and palm lights
The Steelseries Rival gaming mouse offers 16.8 million colors with two zone illumination.
Pro Absolutely the best for a gaming mouse claw grip
When You have relatively large hands.
Pro DPI can be doubled with software
The 5000 DPI of the Steelseries Rival can be doubled to 10000 with Steelseries firmware.
Pro Great for those with large hands and using claw grip
Pro Comfortable to handle
This mouse is very well balanced in weight, size and ergonomics making for a mouse that is easy and comfortable to handle.
Pro Great value for money
At $39 the Rival gaming mouse has a great balance between build quality and value for money.
Pro Highly accurate
The Steelseries Rival gaming mouse has a built in Pixart PMW3310 optical sensor that offers great tracking control. There's no angle-snapping, hardware acceleration, or jitter.
Pro Great accompanying software suite
Steelseries uses a software suite called Engine 3 that is low resource and used to customize their gaming mouse options.
Cons

Con Rubber grips get worn out very quickly
Con Rubber grips get slippery with sweaty hands
When using the mouse for long duration's the sweat from the users hands can make the rubber side grips slippery.
Con Cannot turn of lighting without Steelseries proprietary software
The lighting on the device can not be adjusted without the Steelseries software.
Con Labled DPI is incorrect
Steelseries labels the DPI as 6500 for the Rival when in fact it is 5000.
Con Not extremely ergonomic
Not entirely fit for claw grips with small hands, and gets uncomfortable after a while.
Con Rubber grips get worn out very quickly
Con Rubber grips get slippery with sweaty hands
When using the mouse for long duration's the sweat from the users hands can make the rubber side grips slippery.
