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Logitech MX Master 4 vs Razer DeathAdder V4 Pro

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

LogitechMX Master 4RazerDeathAdder V4 Pro
Overview
ReleasedOctober 2025July 2025
Tracking
ShapeErgonomicErgonomic
HandRight handRight hand
SensitivityUp to 8,000 DPIUp to 45,000 DPI
SensorDarkfield high precisionFocus Pro 45K Optical Sensor Gen-2
Buttons86
Free-spinning wheelYesNo
Thumb wheelYesNo
Quiet clicksYes–
Sensor200–8,000 DPI, adjustable in 50 DPI steps (1,000 DPI by default); tracks on almost any surface, including glass; 125 Hz report rate over Logi Bolt and BluetoothRazer Focus Pro 45K Optical Sensor Gen-2; up to 45,000 DPI, 900 IPS and 85 G; 99.8% resolution accuracy; up to 8,000 Hz (0.125 ms) polling wireless and wired; Dynamic Sensitivity, Mouse Rotation and Sensitivity Matcher
Scroll wheelMagSpeed electromagnetic wheel with SmartShift, which switches between ratchet and free-spin as you scroll faster; up to 1,000 lines a second; adjustable ratchet forceRazer Optical Scroll Wheel, 24 steps; no tilt
Thumb wheelAluminium thumb wheel for horizontal scrolling; app-specific functions such as zoom or brush size in Logi Options+–
GesturesGesture button next to the back and forward buttons (hold it and move the mouse; up to five actions); Actions Ring shortcut overlay opened from the Haptic Sense Panel–
Haptic feedbackHaptic Sense Panel under the thumb; feedback for the Actions Ring, Smart Actions, gestures, moving between screens and app plugins including Adobe Photoshop, Adobe Lightroom Desktop and Zoom; four intensity levels; also works with Windows 11's built-in haptics (Windows 11 update from March 2026 or later)–
Connections and battery
Connects byBluetooth and USB receiverUSB receiver and Cable
Devices it switches between3–
PowerRechargeableRechargeable
Battery life (maker's claim)Up to 70 daysUp to 150 hours
Charging portUSB-CUSB-C
ReceiverLogi Bolt USB-C receiver in the box (USB-A Bolt receivers also work); the Mac version works with Logi Bolt but comes without a receiverRazer HyperSpeed Wireless Gen-2 dongle; also works wired over the included USB-A to USB-C cable
ChargingUSB-C; a 1-minute charge gives 3 hours of use; 650 mAh battery; charging cable not includedUSB-C; up to 150 hours at 1,000 Hz and 22 hours at 8,000 Hz
Works withBluetooth Low Energy 5.1 with Windows 11 or later, macOS 13 or later, iPadOS 15 or later, Android 12 or later, Linux and ChromeOS; Logi Bolt with Windows 10, 11 or later, macOS 13 or later, Linux and ChromeOS; the Mac version lists macOS 13 or later and iPadOS 15 or later–
SoftwareLogi Options+ on Windows and macOS (Actions Ring, Smart Actions, haptics, Logitech Flow); basic support in Logi Tune; basic functions work without software on other systemsRazer Synapse; 1 onboard memory profile
Design
Weight150 g56 g
Size128.15 × 88.35 × 50.8 mm (length × width × height)128 × 68 × 44 mm (length × width × height); 56 g in black and 57 g in white, excluding cable and dongle
MaterialsPlastics with 54% (Graphite, Space Black) or 48% (Pale Grey, White Silver) certified post-consumer recycled content; thumb wheel of low-carbon aluminium; battery with 100% recycled cobaltRazer Optical Mouse Switches Gen-4 rated for 100 million clicks; 100% PTFE feet; smooth-touch finish; over 67% bio-based and post-consumer recycled plastics
ColoursGraphite, Pale Grey; Mac version in Space Black, White SilverBlack, White; NiKo edition
In the boxMouse, Logi Bolt USB-C receiver, documentation; the Mac version has the mouse and documentation only–
Warranty2-year limited hardware warranty–

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