The short version
They are the same shape and the same size (127.1 × 63.9 × 39.9 mm). The Razer Viper V4 Pro is 5 g lighter (54 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 (35,000 vs 50,000). Both poll at up to 8,000 Hz. At 8,000 Hz, Razer claims 17 hours for the Viper V3 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 23 months later (April 2024 vs March 2026). In our rankings the Razer Viper V3 Pro is #12 overall and the Razer Viper V4 Pro is #1.
What actually separates them
| RazerViper V3 Pro | VS | RazerViper V4 Pro |
|---|---|---|
| 2024/04 | Release Date | 2026/03 |
| #12 | Overall Rank | 🏆 #1 |
| #9 | FPS Rank | 🏆 #1 |
| #9 | MOBA Rank | 🏆 #1 |
| #18 | MMO Rank | #10 |
| 35000 | Max DPI | 50000 +42.9% |
| 70 G | Acceleration | 90 G +28.6% |
| 750 | IPS | 930 +24% |
| Focus Pro 35K Optical Sensor Gen-2 | Sensor | Focus Pro 50K Optical Sensor Gen-3 |
| 54g | Weight | 49g -9.3% |
| 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 V3 Pro | VS | RazerViper V4 Pro |
|---|---|---|
| General | ||
| Razer | Brand | Razer |
| 2024/04 | Release Date | 2026/03 |
| Rankings | ||
| #12 | Overall Rank | 🏆 #1 |
| #9 | FPS Rank | 🏆 #1 |
| #9 | MOBA Rank | 🏆 #1 |
| #18 | MMO Rank | #10 |
| Performance | ||
| 35000 | Max DPI | 50000 |
| 100 | Min DPI | Unknown |
| 70 G | Acceleration | 90 G |
| 750 | IPS | 930 |
| 8000 | Poll Rate (Hz) | 8000 |
| 1.2 | Lift-off Distance | Unknown |
| Optical | Sensor Type | Optical |
| Focus Pro 35K Optical Sensor Gen-2 | 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 | ||
| 127.1 mm | Length | 127.1 mm |
| 63.9 mm | Width | 63.9 mm |
| 39.9 mm | Height | 39.9 mm |
| 54g | Weight | 49g |
| No | Extra Weights | No |
| Buttons | ||
| 6 | 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 V3 Pro
Razer Viper V4 Pro
Common questions
Which is lighter, the Razer Viper V3 Pro or the Razer Viper V4 Pro?
The Razer Viper V4 Pro is lighter: 54 g vs 49 g.
Are the Razer Viper V3 Pro and Razer Viper V4 Pro the same shape and size?
Yes, they are the same shape and the same size (127.1 × 63.9 × 39.9 mm).
Which has the better sensor specs, the Razer Viper V3 Pro or the Razer Viper V4 Pro?
The Razer Viper V4 Pro is higher on paper: 35,000 vs 50,000 DPI and 750 vs 930 IPS.
Which has longer battery life, the Razer Viper V3 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 V3 Pro or the Razer Viper V4 Pro?
The Razer Viper V4 Pro, by 23 months: April 2024 vs March 2026.
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Full specs: Razer Viper V3 ProRazer Viper V4 Pro
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