Between the OP1 8K and MX Master 4, the OP1 8K comes out ahead in polling rate and max dpi, while the MX Master 4 wins on buttons and wireless. Overall, the OP1 8K scores 87.2 and the MX Master 4 scores 35 on our Mars Score.
Which should you buy?
The OP1 8K is the clear pick on raw spec strength, leading by 52.2 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 OP1 8K 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.
Pick the MX Master 4 if you care most about buttons and wireless. Its strongest claims are buttons, wireless, battery.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the OP1 8K is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Endgame Gear - OP1 8K wins
- ▲Polling rate — 6300.00% more. 8000 Hz vs 125 Hz.
- ▲Max DPI — 225.00% more. 26000 vs 8000.
- ▲Weight — 100.00 g less. 50 vs 150.
Why Logitech - MX Master 4 wins
- ▲Buttons — 1.00 more. 7 vs 6.
- ▲Wireless: true (vs false).
- ▲Battery: 1680 h vs 0 h.
Spec comparison
Sensor
| Spec | Endgame Gear - OP1 8K | Logitech - MX Master 4 |
|---|---|---|
| Max DPI | 26000lead | 8000 |
| Max IPS | 650lead | 0 |
| Polling rate | 8000 Hzlead | 125 Hz |
Design
| Spec | Endgame Gear - OP1 8K | Logitech - MX Master 4 |
|---|---|---|
| Weight | 50 glead | 150 g |
| Buttons | 6 | 7lead |
| Shape | Symmetrical | Right-handed |
Connectivity
| Spec | Endgame Gear - OP1 8K | Logitech - MX Master 4 |
|---|---|---|
| Wireless | false | truelead |
| Battery | 0 h | 1680 hlead |
Frequently asked
Spec-level deep dives
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