The short version
Both are symmetrical, but the Razer Viper V2 Pro is 2 mm wider and the Razer Viper V4 Pro is 2 mm taller (126.5 × 66.2 × 37.8 mm vs 127.1 × 63.9 × 39.9 mm). The Razer Viper V4 Pro is 9 g lighter (58 g vs 49 g). The Razer Viper V4 Pro uses the newer Focus Pro 50K Optical Sensor Gen-3 and tracks to a higher maximum DPI (30,000 vs 50,000). Both poll at up to 8,000 Hz. At 8,000 Hz, Razer claims 17 hours for the Viper V2 Pro and 45 hours for the Viper V4 Pro, so the Viper V4 Pro lasts longer on paper. The Razer Viper V4 Pro came out about 4 years later (May 2022 vs March 2026). In our rankings the Razer Viper V2 Pro is #15 overall and the Razer Viper V4 Pro is #1.
What actually separates them
| RazerViper V2 Pro | VS | RazerViper V4 Pro |
|---|---|---|
| 2022/05 | Release Date | 2026/03 |
| #15 | Overall Rank | 🏆 #1 |
| #11 | FPS Rank | 🏆 #1 |
| #11 | MOBA Rank | 🏆 #1 |
| #20 | MMO Rank | #10 |
| 30000 | Max DPI | 50000 +66.7% |
| 70 G | Acceleration | 90 G +28.6% |
| 750 | IPS | 930 +24% |
| Focus Pro 30K Optical Sensor | Sensor | Focus Pro 50K Optical Sensor Gen-3 |
| Colors | ||
| 126.5 mm | Length | 127.1 mm |
| 66.2 mm | Width | 63.9 mm |
| 37.8 mm | Height | 39.9 mm |
| 58g | Weight | 49g -15.5% |
| 5 | Total Buttons | 6 |
| Optical Mouse Switches Gen-3 | Main Switch | Optical Mouse Switches Gen-4 |
| 90M | Switch Lifespan | 100M +11.1% |
| 17 h at 8,000 Hz | Battery Life | 45 h at 8,000 Hz +164.7% |
Every spec, side by side
| RazerViper V2 Pro | VS | RazerViper V4 Pro |
|---|---|---|
| General | ||
| Razer | Brand | Razer |
| 2022/05 | Release Date | 2026/03 |
| Rankings | ||
| #15 | Overall Rank | 🏆 #1 |
| #11 | FPS Rank | 🏆 #1 |
| #11 | MOBA Rank | 🏆 #1 |
| #20 | MMO Rank | #10 |
| Performance | ||
| 30000 | Max DPI | 50000 |
| 70 G | Acceleration | 90 G |
| 750 | IPS | 930 |
| 1000-8000 | Poll Rate (Hz) | 8000 |
| 1.2 | Lift-off Distance | Unknown |
| Optical | Sensor Type | Optical |
| Focus Pro 30K Optical Sensor | Sensor | Focus Pro 50K Optical Sensor Gen-3 |
| Ergo & Design | ||
| No | RGB Lighting | No |
| Right | Handedness | Right |
| Symmetrical | Shape | Symmetrical |
| Solid | Shell Type | Solid |
| Colors | ||
| 126.5 mm | Length | 127.1 mm |
| 66.2 mm | Width | 63.9 mm |
| 37.8 mm | Height | 39.9 mm |
| 58g | Weight | 49g |
| No | Extra Weights | No |
| Buttons | ||
| 5 | Total Buttons | 6 |
| 2 | Buttons (Left) | 2 |
| 0 | Buttons (Right) | 0 |
| Notched | Scroll Wheel Type | Notched |
| Optical Mouse Switches Gen-3 | Main Switch | Optical Mouse Switches Gen-4 |
| Optical | Main Switch Type | Optical |
| 90M | Switch Lifespan | 100M |
| Connectivity | ||
| Wireless, Wired | Connection | Wireless, Wired |
| Built In | Battery Type | Built In |
| 17 h at 8,000 Hz | Battery Life | 45 h at 8,000 Hz |
| Software Features | ||
| Unknown | Hardware Acceleration | Unknown |
| Unknown | Software Acceleration | Unknown |
| Unknown | Angle Snapping | Unknown |
| Unknown | Smoothing | Unknown |
| Always On | Motion Sync | Always On |
Where to buy
Razer Viper V2 Pro
Razer Viper V4 Pro
Common questions
Which is lighter, the Razer Viper V2 Pro or the Razer Viper V4 Pro?
The Razer Viper V4 Pro is lighter: 58 g vs 49 g.
Are the Razer Viper V2 Pro and Razer Viper V4 Pro the same shape and size?
No, both are symmetrical, but the Razer Viper V2 Pro is 2 mm wider and the Razer Viper V4 Pro is 2 mm taller (126.5 × 66.2 × 37.8 mm vs 127.1 × 63.9 × 39.9 mm).
Which has the better sensor specs, the Razer Viper V2 Pro or the Razer Viper V4 Pro?
The Razer Viper V4 Pro is higher on paper: 30,000 vs 50,000 DPI and 750 vs 930 IPS.
Which has longer battery life, the Razer Viper V2 Pro or the Razer Viper V4 Pro?
The Razer Viper V4 Pro, on the manufacturer's own claim: 17 hours vs 45 hours at 8,000 Hz.
Which is newer, the Razer Viper V2 Pro or the Razer Viper V4 Pro?
The Razer Viper V4 Pro, by about 4 years: May 2022 vs March 2026.
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- Razer Viper V4 Pro vs Razer DeathAdder V4 Pro
- Logitech G Pro X Superlight 2 vs Razer Viper V4 Pro
- Razer Basilisk V3 Pro vs Razer Viper V4 Pro
- Razer Viper V3 HyperSpeed vs Razer Viper V4 Pro
Full specs: Razer Viper V2 ProRazer Viper V4 Pro
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