Between the M75 Air Wireless and EC3-CW, the M75 Air Wireless comes out ahead in max dpi and polling rate, while the EC3-CW wins on several specs. Overall, the M75 Air Wireless scores 72.5 and the EC3-CW scores 55.2 on our Mars Score.
Which should you buy?
The M75 Air Wireless is the clear pick on raw spec strength, leading by 17.3 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 max dpi and polling rate. The biggest gaps in its favor are max dpi, polling rate, battery, among others.
The EC3-CW similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable wireless, so those specs don't separate the two — focus on the differences below.
Bottom line: the M75 Air Wireless 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
- ▲Max DPI — 712.50% more. 26000 vs 3200.
- ▲Polling rate — 100.00% more. 2000 Hz vs 1000 Hz.
- ▲Battery — 42.86% more. 100 h vs 70 h.
- ▲Weight — 15.00 g less. 60 vs 75.
- ▲Buttons — 1.00 more. 6 vs 5.
Why BenQ - EC3-CW wins
- No decisive advantages.
Spec comparison
Sensor
| Spec | Corsair - M75 Air Wireless | BenQ - EC3-CW |
|---|---|---|
| Max DPI | 26000lead | 3200 |
| Max IPS | 650 | 650 |
| Polling rate | 2000 Hzlead | 1000 Hz |
Design
| Spec | Corsair - M75 Air Wireless | BenQ - EC3-CW |
|---|---|---|
| Weight | 60 glead | 75 g |
| Buttons | 6lead | 5 |
| Shape | Symmetrical | Right-handed |
Connectivity
| Spec | Corsair - M75 Air Wireless | BenQ - EC3-CW |
|---|---|---|
| Wireless | true | true |
| Battery | 100 hlead | 70 h |
Frequently asked
Spec-level deep dives
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