When comparing Gamdias Erebos GMS7500 vs Steelseries Rival, the Slant community recommends Steelseries Rival for most people. In the question“What is the best gaming mouse?” Steelseries Rival is ranked 9th while Gamdias Erebos GMS7500 is ranked 84th. 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 Customizable weight
There are four 5g weights included with the device that users can place inside to customize the exact weight they want the mouse to be.
Pro Lighting control
There is lighting control for this device though its included software.
Pro Built in memory
There is built in memory on this device that will allow users to store up to 6 different custom profiles. this way no software is needed when the device is used in a different PC.
Pro Interchangeable side panels
There are interchangeable side panels that change the ergonomics of the device to suit the user.
Pro Ambidextrous
The Gamdias Erebos GMS7500 is an ambidextrous mouse.
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.
Cons
Con Sharp side buttons can irritate fingers
The sharp side buttons can irritate fingers and cause distractions while playing.

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.
