Logitech
Logitech MX Master 3S (Black)
$99 · Wireless · Black
92
/ 100
From $99
VS
Razer Viper V3 Pro wins by 3
Razer
Razer Viper V3 Pro
54g · Focus Pro 35K · 8000 Hz
95
/ 100
From $159
Specdex verdict
Razer Viper V3 Pro takes it — here’s why.
In our weighted Specdex score, Logitech MX Master 3S (Black) lands at 92 and Razer Viper V3 Pro at 95. That puts Razer Viper V3 Pro ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Logitech MX Master 3S (Black) if…
- ✓Modern flagship sensor
- ✓Lightweight for FPS
- ✓Good battery life
Pick Razer Viper V3 Pro if…
- ✓54 g feather-weight
- ✓Focus Pro 35K sensor
- ✓HyperPolling 8 kHz
Score breakdown
Logitech MX Master 3S (Black)
92 sensor 92
weight 88
shape 86
battery 86
Razer Viper V3 Pro
95 sensor 100
weight 98
shape 92
battery 92
Specs side-by-side
Spec
Logitech MX Master 3S (Black)
Razer Viper V3 Pro
Release year
2024
—
Sensor
—
Focus Pro 35K
Weight
—
54 g
Connectivity
—
HyperSpeed 2.4 GHz
Logitech MX Master 3S (Black)
Pros
- +Modern flagship sensor
- +Lightweight for FPS
- +Good battery life
Cons
- −Software quality varies
- −Shape fits specific hand sizes
- −Skates consumable
Razer Viper V3 Pro
Pros
- +54 g feather-weight
- +Focus Pro 35K sensor
- +HyperPolling 8 kHz
Cons
- −No RGB
- −Symmetric shape niche
- −Expensive
FAQ: Logitech MX Master 3S (Black) vs Razer Viper V3 Pro
Which is better, Logitech MX Master 3S (Black) or Razer Viper V3 Pro? +
Razer Viper V3 Pro scores 95 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.
Is Logitech MX Master 3S (Black) worth the price? +
At $99, Logitech MX Master 3S (Black) delivers a Specdex score of 92 — strongest in sensor.
Is Razer Viper V3 Pro worth the price? +
At $159, Razer Viper V3 Pro delivers a Specdex score of 95 — strongest in sensor.
Does Logitech MX Master 3S (Black) 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.