Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Razer - DeathAdder V3 Pro | BenQ - EC3-CW |
|---|---|---|
| Max DPI | 30000 | 3200 |
| Polling rate | 4000 Hz | 1000 Hz |
| Battery | 90 h | 70 h |
| Weight | 63 g | 75 g |
Between the DeathAdder V3 Pro and EC3-CW, the DeathAdder V3 Pro comes out ahead in max dpi / polling rate, while the EC3-CW wins on several specs. Overall, the DeathAdder V3 Pro scores 68.5 and the EC3-CW scores 51.1 on our Mars Score.
Which should you buy?
The DeathAdder V3 Pro is the clear pick on raw spec strength, leading by 17.4 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 DeathAdder V3 Pro if you care most about max dpi / polling rate. The biggest gaps in its favor are max dpi, polling rate, battery, among others. The single most decisive one: Max DPI — 837.50% more. 30000 vs 3200.
The EC3-CW similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable wireless, buttons, so those specs do not separate the two — focus on the differences below.
Bottom line: the DeathAdder V3 Pro is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Razer - DeathAdder V3 Pro or BenQ - EC3-CW?
Razer - DeathAdder V3 Pro leads the current Mars Score by 17.4 points.The more useful decision is the trade-off behind that result: compare max dpi, polling rate, weight against the way you will actually use the product.
Choose Razer - DeathAdder V3 Pro if…
Razer - DeathAdder V3 Pro has the measurable edge on max dpi, polling rate hz, battery h.
Choose BenQ - EC3-CW if…
BenQ - EC3-CW does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Razer - DeathAdder V3 Pro wins
- ▲Max DPI — 837.50% more. 30000 vs 3200.
- ▲Polling rate — 300.00% more. 4000 Hz vs 1000 Hz.
- ▲Battery — 28.57% more. 90 h vs 70 h.
- ▲Weight — 12.00 g less. 63 vs 75.
Why BenQ - EC3-CW wins
- No decisive advantages.
Spec comparison
Sensor
| Spec | Razer - DeathAdder V3 Pro | BenQ - EC3-CW |
|---|---|---|
| Max DPI | 30000lead | 3200 |
| Max IPS | 750lead | 650 |
| Polling rate | 4000 Hzlead | 1000 Hz |
Design
| Spec | Razer - DeathAdder V3 Pro | BenQ - EC3-CW |
|---|---|---|
| Weight | 63 glead | 75 g |
| Buttons | 5 | 5 |
| Shape | Right-handed | Right-handed |
Connectivity
| Spec | Razer - DeathAdder V3 Pro | BenQ - EC3-CW |
|---|---|---|
| Wireless | true | true |
| Battery | 90 hlead | 70 h |