Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Logitech - G502 X PLUS | Logitech - MX Master 4 |
|---|---|---|
| Battery | 120 h | 1680 h |
| Polling rate | 1000 Hz | 125 Hz |
| Max DPI | 25600 | 8000 |
| Weight | 106 g | 150 g |
| Buttons | 13 | 7 |
Between the G502 X PLUS and MX Master 4, the G502 X PLUS comes out ahead in polling rate / max dpi, while the MX Master 4 wins on battery. Overall, the G502 X PLUS scores 54 and the MX Master 4 scores 50.9 on our Mars Score.
Which should you buy?
The G502 X PLUS edges ahead on the Mars Score (54 vs 50.9), but the 3.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the G502 X PLUS if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are polling rate, max dpi, weight, among others. The single most decisive one: Polling rate — 700.00% more. 1000 Hz vs 125 Hz.
Pick the MX Master 4 if you care most about battery. Its strongest claims are battery. The single most decisive one: Battery — 1300.00% more. 1680 h vs 120 h.
Both ship with comparable 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 Logitech - MX Master 4?
Logitech - G502 X PLUS leads the current Mars Score by 3.1 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 Logitech - G502 X PLUS if…
Logitech - G502 X PLUS has the measurable edge on polling rate hz, max dpi, weight g.
Choose Logitech - MX Master 4 if…
Logitech - MX Master 4 has the measurable edge on battery h.
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
- ▲Polling rate — 700.00% more. 1000 Hz vs 125 Hz.
- ▲Max DPI — 220.00% more. 25600 vs 8000.
- ▲Weight — 44.00 g less. 106 vs 150.
- ▲Buttons — 6.00 more. 13 vs 7.
Why Logitech - MX Master 4 wins
- ▲Battery — 1300.00% more. 1680 h vs 120 h.
Spec comparison
Sensor
| Spec | Logitech - G502 X PLUS | Logitech - MX Master 4 |
|---|---|---|
| Max DPI | 25600lead | 8000 |
| Max IPS | 400lead | 0 |
| Polling rate | 1000 Hzlead | 125 Hz |
Design
| Spec | Logitech - G502 X PLUS | Logitech - MX Master 4 |
|---|---|---|
| Weight | 106 glead | 150 g |
| Buttons | 13lead | 7 |
| Shape | Right-handed | Right-handed |
Connectivity
| Spec | Logitech - G502 X PLUS | Logitech - MX Master 4 |
|---|---|---|
| Wireless | true | true |
| Battery | 120 h | 1680 hlead |