Between the M75 Air Wireless and OP1 8K, the M75 Air Wireless comes out ahead in wireless and battery, while the OP1 8K wins on polling rate and weight. Overall, the M75 Air Wireless scores 72.5 and the OP1 8K scores 87.2 on our Mars Score.
Which should you buy?
The OP1 8K is the clear pick on raw spec strength, leading by 14.7 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the M75 Air Wireless if you care most about wireless and battery. The biggest gaps in its favor are wireless, battery.
Pick the OP1 8K if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are polling rate, weight.
Both ship with comparable max dpi, buttons, so those specs don't separate the two — focus on the differences below.
Bottom line: the OP1 8K is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Corsair - M75 Air Wireless wins
- ▲Wireless: true (vs false).
- ▲Battery: 100 h vs 0 h.
Why Endgame Gear - OP1 8K wins
- ▲Polling rate — 300.00% more. 8000 Hz vs 2000 Hz.
- ▲Weight — 10.00 g less. 50 vs 60.
Spec comparison
Sensor
| Spec | Corsair - M75 Air Wireless | Endgame Gear - OP1 8K |
|---|---|---|
| Max DPI | 26000 | 26000 |
| Max IPS | 650 | 650 |
| Polling rate | 2000 Hz | 8000 Hzlead |
Design
| Spec | Corsair - M75 Air Wireless | Endgame Gear - OP1 8K |
|---|---|---|
| Weight | 60 g | 50 glead |
| Buttons | 6 | 6 |
| Shape | Symmetrical | Symmetrical |
Connectivity
| Spec | Corsair - M75 Air Wireless | Endgame Gear - OP1 8K |
|---|---|---|
| Wireless | truelead | false |
| Battery | 100 hlead | 0 h |
Spec-level deep dives
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