Logitech MX Master 3S
Productivity · 8K DPI · Silent click
Finalmouse UltralightX
$190 · Wireless
Dead heat — it comes down to priorities.
In our weighted Specdex score, Logitech MX Master 3S lands at 92 and Finalmouse UltralightX at 92. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Logitech MX Master 3S if…
- ✓Gold standard productivity mouse
- ✓Silent clicks
- ✓MagSpeed scroll
Pick Finalmouse UltralightX if…
- ✓Modern flagship sensor
- ✓Lightweight for FPS
- ✓Good battery life
Winner by scenario
Derived from the sub-score breakdown · not a separate testShape
Logitech MX Master 3SCompared on the shape sub-score
Logitech MX Master 3S leads on shape (98 vs 86).
Sensor
Finalmouse UltralightXCompared on the sensor sub-score
Finalmouse UltralightX leads on sensor (92 vs 90).
Battery
Logitech MX Master 3SCompared on the battery sub-score
Logitech MX Master 3S leads on battery (94 vs 86).
Value for money
Logitech MX Master 3SSpecdex score per dollar at MSRP
Logitech MX Master 3S more score per dollar ($99 vs $190).
Score breakdown
Specs side-by-side
| Spec | Logitech MX Master 3S | Finalmouse UltralightX |
|---|---|---|
| Sensor | 8K Darkfield | — |
| Weight | 141 g | — |
| Connectivity | BT / Logi Bolt / USB-C | — |
| Battery | ~70 days | — |
| Release year | — | 2024 |
Logitech MX Master 3S
- +Gold standard productivity mouse
- +Silent clicks
- +MagSpeed scroll
- −Heavy for gaming
- −Right-handed only
- −No rechargeable over USB-C to dock
Finalmouse UltralightX
- +Modern flagship sensor
- +Lightweight for FPS
- +Good battery life
- −Software quality varies
- −Shape fits specific hand sizes
- −Skates consumable
FAQ: Logitech MX Master 3S vs Finalmouse UltralightX
Which is better, Logitech MX Master 3S or Finalmouse UltralightX? +
Both score 92 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Logitech MX Master 3S worth the price? +
At $99, Logitech MX Master 3S delivers a Specdex score of 92 — strongest in shape.
Is Finalmouse UltralightX worth the price? +
At $190, Finalmouse UltralightX delivers a Specdex score of 92 — strongest in sensor.
Does Logitech MX Master 3S or Finalmouse UltralightX last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is better for shape, Logitech MX Master 3S or Finalmouse UltralightX? +
Logitech MX Master 3S — leads on shape (98 vs 86). Compared on the shape sub-score.
Which is better for sensor, Logitech MX Master 3S or Finalmouse UltralightX? +
Finalmouse UltralightX — leads on sensor (92 vs 90). Compared on the sensor sub-score.