Logitech MX Master 3S
Productivity · 8K DPI · Silent click
Razer Viper V3 Pro
Focus Pro 35K · 54 g · 8000 Hz HyperPolling
Razer Viper V3 Pro takes it — here’s why.
In our weighted Specdex score, Logitech MX Master 3S lands at 92 and Razer Viper V3 Pro at 94. That puts Razer Viper V3 Pro ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Logitech MX Master 3S if…
- ✓Gold standard productivity mouse
- ✓Silent clicks
- ✓MagSpeed scroll
Pick Razer Viper V3 Pro if…
- ✓Symmetric ambidextrous shape
- ✓54g — lightest Razer flagship ever
- ✓8000 Hz polling with HyperPolling Wireless Dongle
Winner by scenario
Derived from the sub-score breakdown · not a separate testSensor
Razer Viper V3 ProCompared on the sensor sub-score
Razer Viper V3 Pro leads on sensor (96 vs 90).
Weight
Razer Viper V3 ProCompared on the weight sub-score
Razer Viper V3 Pro leads on weight (96 vs 70).
Value for money
Logitech MX Master 3SSpecdex score per dollar at MSRP
Logitech MX Master 3S more score per dollar ($99 vs $159).
Score breakdown
Specs side-by-side
| Spec | Logitech MX Master 3S | Razer Viper V3 Pro |
|---|---|---|
| Sensor | 8K Darkfield | Razer Focus Pro 35K (35000 DPI) |
| Weight | 141 g | ▲ 54 g |
| Connectivity | BT / Logi Bolt / USB-C | HyperSpeed 2.4 GHz, USB-C |
| Battery | ~70 days | ▲ 95 hr |
| Polling | — | 8000 Hz with HyperPolling Wireless Dongle |
| Buttons | — | 5 |
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
Razer Viper V3 Pro
- +Symmetric ambidextrous shape
- +54g — lightest Razer flagship ever
- +8000 Hz polling with HyperPolling Wireless Dongle
- −No side buttons on right by default
- −Synapse software heavy
- −Skates wear over time
FAQ: Logitech MX Master 3S vs Razer Viper V3 Pro
Which is better, Logitech MX Master 3S or Razer Viper V3 Pro? +
Razer Viper V3 Pro scores 94 on our weighted rubric — ahead by 2. 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 Razer Viper V3 Pro worth the price? +
At $159, Razer Viper V3 Pro delivers a Specdex score of 94 — strongest in sensor.
Does Logitech MX Master 3S or Razer Viper V3 Pro 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 sensor, Logitech MX Master 3S or Razer Viper V3 Pro? +
Razer Viper V3 Pro — leads on sensor (96 vs 90). Compared on the sensor sub-score.
Which is better for weight, Logitech MX Master 3S or Razer Viper V3 Pro? +
Razer Viper V3 Pro — leads on weight (96 vs 70). Compared on the weight sub-score.