Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Logitech - G502 X PLUS | BenQ - EC3-CW |
|---|---|---|
| Max DPI | 25600 | 3200 |
| Battery | 120 h | 70 h |
| Weight | 106 g | 75 g |
| Buttons | 13 | 5 |
Between the G502 X PLUS and EC3-CW, the G502 X PLUS comes out ahead in max dpi / battery, while the EC3-CW wins on weight. Overall, the G502 X PLUS scores 54 and the EC3-CW scores 51.1 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (54 vs 51.1). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the G502 X PLUS if you care most about max dpi / battery. The biggest gaps in its favor are max dpi, battery, buttons. The single most decisive one: Max DPI — 700.00% more. 25600 vs 3200.
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. The single most decisive one: Weight — 31.00 g less. 75 vs 106.
Both ship with comparable polling rate, wireless, so those specs do not separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Logitech - G502 X PLUS or BenQ - EC3-CW?
Logitech - G502 X PLUS leads the current Mars Score by 2.9 points.The more useful decision is the trade-off behind that result: compare max dpi, weight against the way you will actually use the product.
Choose Logitech - G502 X PLUS if…
Logitech - G502 X PLUS has the measurable edge on max dpi, battery h, button count.
Choose BenQ - EC3-CW if…
BenQ - EC3-CW has the measurable edge on weight g.
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 Logitech - G502 X PLUS wins
- ▲Max DPI — 700.00% more. 25600 vs 3200.
- ▲Battery — 71.43% more. 120 h vs 70 h.
- ▲Buttons — 8.00 more. 13 vs 5.
Why BenQ - EC3-CW wins
- ▲Weight — 31.00 g less. 75 vs 106.
Spec comparison
Sensor
| Spec | Logitech - G502 X PLUS | BenQ - EC3-CW |
|---|---|---|
| Max DPI | 25600lead | 3200 |
| Max IPS | 400 | 650lead |
| Polling rate | 1000 Hz | 1000 Hz |
Design
| Spec | Logitech - G502 X PLUS | BenQ - EC3-CW |
|---|---|---|
| Weight | 106 g | 75 glead |
| Buttons | 13lead | 5 |
| Shape | Right-handed | Right-handed |
Connectivity
| Spec | Logitech - G502 X PLUS | BenQ - EC3-CW |
|---|---|---|
| Wireless | true | true |
| Battery | 120 hlead | 70 h |