Between the Cobra Pro and EC3-CW, the Cobra Pro comes out ahead in max dpi and battery, while the EC3-CW wins on weight. Overall, the Cobra Pro scores 67.4 and the EC3-CW scores 55.2 on our Mars Score.
Which should you buy?
The Cobra Pro is the clear pick on raw spec strength, leading by 12.2 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 Cobra Pro if you care most about max dpi and battery. The biggest gaps in its favor are max dpi, battery, buttons.
Pick the EC3-CW if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight.
Both ship with comparable polling rate, wireless, so those specs don't separate the two — focus on the differences below.
Bottom line: the Cobra Pro is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Razer - Cobra Pro wins
- ▲Max DPI — 837.50% more. 30000 vs 3200.
- ▲Battery — 142.86% more. 170 h vs 70 h.
- ▲Buttons — 5.00 more. 10 vs 5.
Why BenQ - EC3-CW wins
- ▲Weight — 2.00 g less. 75 vs 77.
Spec comparison
Sensor
| Spec | Razer - Cobra Pro | BenQ - EC3-CW |
|---|---|---|
| Max DPI | 30000lead | 3200 |
| Max IPS | 750lead | 650 |
| Polling rate | 1000 Hz | 1000 Hz |
Design
| Spec | Razer - Cobra Pro | BenQ - EC3-CW |
|---|---|---|
| Weight | 77 g | 75 glead |
| Buttons | 10lead | 5 |
| Shape | Symmetrical | Right-handed |
Connectivity
| Spec | Razer - Cobra Pro | BenQ - EC3-CW |
|---|---|---|
| Wireless | true | true |
| Battery | 170 hlead | 70 h |
Frequently asked
Spec-level deep dives
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