Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Endgame Gear - XM2we | Logitech - G309 Lightspeed |
|---|---|---|
| Battery | 90 h | 300 h |
| Weight | 63 g | 68 g |
| Max DPI | 26000 | 25600 |
Between the XM2we and G309 Lightspeed, the XM2we comes out ahead in weight / max dpi, while the G309 Lightspeed wins on battery. Overall, the XM2we scores 62.6 and the G309 Lightspeed scores 63.1 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (62.6 vs 63.1). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the XM2we if you carry the device everywhere and weight or thickness has been the deciding factor before. The biggest gaps in its favor are weight, max dpi. The single most decisive one: Weight — 5.00 g less. 63 vs 68.
Pick the G309 Lightspeed if you care most about battery. Its strongest claims are battery. The single most decisive one: Battery — 233.33% more. 300 h vs 90 h.
Both ship with comparable polling rate, wireless, buttons, 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: Endgame Gear - XM2we or Logitech - G309 Lightspeed?
Logitech - G309 Lightspeed leads the current Mars Score by 0.5 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 Endgame Gear - XM2we if…
Endgame Gear - XM2we has the measurable edge on weight g, max dpi.
Choose Logitech - G309 Lightspeed if…
Logitech - G309 Lightspeed 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 Endgame Gear - XM2we wins
- ▲Weight — 5.00 g less. 63 vs 68.
- ▲Max DPI — 1.56% more. 26000 vs 25600.
Why Logitech - G309 Lightspeed wins
- ▲Battery — 233.33% more. 300 h vs 90 h.
Spec comparison
Sensor
| Spec | Endgame Gear - XM2we | Logitech - G309 Lightspeed |
|---|---|---|
| Max DPI | 26000lead | 25600 |
| Max IPS | 650lead | 400 |
| Polling rate | 1000 Hz | 1000 Hz |
Design
| Spec | Endgame Gear - XM2we | Logitech - G309 Lightspeed |
|---|---|---|
| Weight | 63 glead | 68 g |
| Buttons | 6 | 6 |
| Shape | Symmetrical | Right-handed |
Connectivity
| Spec | Endgame Gear - XM2we | Logitech - G309 Lightspeed |
|---|---|---|
| Wireless | true | true |
| Battery | 90 h | 300 hlead |