Between the MX Master 4 and EC1-CW, the MX Master 4 comes out ahead in battery and max dpi, while the EC1-CW wins on polling rate and weight. Overall, the MX Master 4 scores 35 and the EC1-CW scores 54.7 on our Mars Score.
Which should you buy?
The EC1-CW is the clear pick on raw spec strength, leading by 19.7 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 MX Master 4 if you care most about battery and max dpi. The biggest gaps in its favor are battery, max dpi, buttons.
Pick the EC1-CW 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 wireless, so those specs don't separate the two — focus on the differences below.
Bottom line: the EC1-CW is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Logitech - MX Master 4 wins
- ▲Battery — 2300.00% more. 1680 h vs 70 h.
- ▲Max DPI — 150.00% more. 8000 vs 3200.
- ▲Buttons — 2.00 more. 7 vs 5.
Why BenQ - EC1-CW wins
- ▲Polling rate — 700.00% more. 1000 Hz vs 125 Hz.
- ▲Weight — 73.00 g less. 77 vs 150.
Spec comparison
Sensor
| Spec | Logitech - MX Master 4 | BenQ - EC1-CW |
|---|---|---|
| Max DPI | 8000lead | 3200 |
| Max IPS | 0 | 400lead |
| Polling rate | 125 Hz | 1000 Hzlead |
Design
| Spec | Logitech - MX Master 4 | BenQ - EC1-CW |
|---|---|---|
| Weight | 150 g | 77 glead |
| Buttons | 7lead | 5 |
| Shape | Right-handed | Right-handed |
Connectivity
| Spec | Logitech - MX Master 4 | BenQ - EC1-CW |
|---|---|---|
| Wireless | true | true |
| Battery | 1680 hlead | 70 h |
Spec-level deep dives
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