Skip to content

RazerViper V4 ProvsRazerDeathAdder V4 Pro

The short version

The Razer Viper V4 Pro is symmetrical and the Razer DeathAdder V4 Pro is ergonomic, and the Razer DeathAdder V4 Pro is 4 mm wider and 4 mm taller (127.1 × 63.9 × 39.9 mm vs 128 × 68 × 44 mm). The Razer Viper V4 Pro is 7 g lighter (49 g vs 56 g). The Razer Viper V4 Pro uses the newer Focus Pro 50K Optical Sensor Gen-3 and tracks to a higher maximum DPI (50,000 vs 45,000). Both poll at up to 8,000 Hz. At 8,000 Hz, Razer claims 45 hours for the Viper V4 Pro and 22 hours for the DeathAdder V4 Pro, so the Viper V4 Pro lasts longer on paper. The Razer Viper V4 Pro came out 8 months later (March 2026 vs July 2025). In our rankings the Razer Viper V4 Pro is #1 overall and the Razer DeathAdder V4 Pro is #4.

What actually separates them

RazerViper V4 ProVSRazerDeathAdder V4 Pro
2026/03Release Date2025/07
🏆 #1Overall Rank#4
🏆 #1FPS Rank#3
🏆 #1MOBA Rank#2
#10MMO Rank#12
50000Max DPI45000
-10%
90 GAcceleration85 G
-5.6%
930IPS900
-3.2%
Focus Pro 50K Optical Sensor Gen-3SensorFocus Pro 45K Optical Sensor Gen-2
SymmetricalShapeErgonomic
127.1 mmLength128 mm
63.9 mmWidth68 mm
39.9 mmHeight44 mm
49gWeight56g
+14.3%
45 h at 8,000 HzBattery Life22 h at 8,000 Hz
-51.1%

Every spec, side by side

RazerViper V4 ProVSRazerDeathAdder V4 Pro
General
RazerBrandRazer
2026/03Release Date2025/07
Rankings
🏆 #1Overall Rank#4
🏆 #1FPS Rank#3
🏆 #1MOBA Rank#2
#10MMO Rank#12
Performance
50000Max DPI45000
90 GAcceleration85 G
930IPS900
8000Poll Rate (Hz)8000
OpticalSensor TypeOptical
Focus Pro 50K Optical Sensor Gen-3SensorFocus Pro 45K Optical Sensor Gen-2
Ergo & Design
NoRGB LightingNo
RightHandednessRight
SymmetricalShapeErgonomic
SolidShell TypeSolid
Colors
127.1 mmLength128 mm
63.9 mmWidth68 mm
39.9 mmHeight44 mm
49gWeight56g
NoExtra WeightsNo
Buttons
6Total Buttons6
2Buttons (Left)2
0Buttons (Right)0
NotchedScroll Wheel TypeNotched
Optical Mouse Switches Gen-4Main SwitchOptical Mouse Switches Gen-4
OpticalMain Switch TypeOptical
100MSwitch Lifespan100M
Connectivity
Wireless, WiredConnectionWireless, Wired
Built InBattery TypeBuilt In
45 h at 8,000 HzBattery Life22 h at 8,000 Hz
Software Features
UnknownHardware AccelerationUnknown
UnknownSoftware AccelerationUnknown
UnknownAngle SnappingUnknown
UnknownSmoothingUnknown
Always OnMotion SyncAlways On

Where to buy

Razer Viper V4 Pro

Amazon
AliExpress

Razer DeathAdder V4 Pro

Amazon
AliExpress

Common questions

Which is lighter, the Razer Viper V4 Pro or the Razer DeathAdder V4 Pro?

The Razer Viper V4 Pro is lighter: 49 g vs 56 g.

Are the Razer Viper V4 Pro and Razer DeathAdder V4 Pro the same shape and size?

No, the Razer Viper V4 Pro is symmetrical and the Razer DeathAdder V4 Pro is ergonomic, and the Razer DeathAdder V4 Pro is 4 mm wider and 4 mm taller (127.1 × 63.9 × 39.9 mm vs 128 × 68 × 44 mm).

Which has the better sensor specs, the Razer Viper V4 Pro or the Razer DeathAdder V4 Pro?

The Razer Viper V4 Pro is higher on paper: 50,000 vs 45,000 DPI and 930 vs 900 IPS.

Which has longer battery life, the Razer Viper V4 Pro or the Razer DeathAdder V4 Pro?

The Razer Viper V4 Pro, on the manufacturer's own claim: 45 hours vs 22 hours at 8,000 Hz.

Which is newer, the Razer Viper V4 Pro or the Razer DeathAdder V4 Pro?

The Razer Viper V4 Pro, by 8 months: March 2026 vs July 2025.

More comparisons

Full specs: Razer Viper V4 ProRazer DeathAdder V4 Pro

Every mouse from Razer

Not sure either of these is the one? Put both into the comparison tool and add anything else in the database next to them.

Compare with other mice