Logitech MX Anywhere 3 vs Logitech MX Master 2S

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

Better figure, where one is clearly better

MX Anywhere 3 compared with MX Master 2S
LogitechMX Anywhere 3LogitechMX Master 2S
Overview
ReleasedSeptember 2020June 2017
Tracking
ShapeCompactErgonomic
HandRight handRight hand
SensitivityUp to 4,000 DPIUp to 4,000 DPI
SensorDarkfield high precisionDarkfield high precision
Buttons67 (better)
Free-spinning wheelYesYes
Thumb wheelNoYes
SensorDarkfield tracking on almost any surface including glass; adjustable from 200 to 4,000 DPI.200–4,000 DPI in 50 DPI steps; tracks on glass at least 4 mm thick
Scroll wheelMagSpeed electromagnetic wheel with SmartShift, switching between stepped and free-spinning modes; Logitech claims up to 1,000 lines per second.Speed-adaptive wheel switches automatically between ratcheted and free-spinning modes through SmartShift; a top button also changes modes manually
Thumb wheelNo separate thumb wheel; horizontal scrolling uses a side button held while turning the main wheel.Side-to-side scrolling by default; Logitech Options can assign other actions
Gestures–Button beneath the thumb rest supports a press and movement in four directions; up to five actions can be assigned
Connections and battery
Connects byBluetooth and USB receiverBluetooth and USB receiver
Devices it switches between33
PowerRechargeableRechargeable
Battery life (maker's claim)Up to 70 daysUp to 70 days
Charging portUSB-CMicro-USB
ReceiverThe standard model includes a Logitech Unifying USB receiver; the Mac variant connects over Bluetooth and has no receiver in the box.Unifying 2.4 GHz USB-A receiver included; Bluetooth 4.0 Low Energy also supported; Easy-Switch button underneath selects one of three paired computers
ChargingUSB-C, 500 mAh rechargeable lithium-polymer battery; Logitech claims three hours of use from a one-minute charge and up to 70 days from a full charge.Micro-USB; 500 mAh lithium-polymer battery; Logitech claims one minute of charge gives about two hours of use
Works withStandard edition uses Unifying or Bluetooth Low Energy with Windows, macOS, ChromeOS and Linux; Bluetooth also supports iPadOS 13.4 or later. The Mac variant uses Bluetooth.At launch, Unifying supported Windows 7 or later and Mac OS X 10.8 or later; Bluetooth Low Energy required Windows 8 or later or Mac OS X 10.10 or later
SoftwareLogitech Options at launch, with button customisation, application profiles and Flow between computers.Logitech Options for button mapping and Logitech Flow, which moves the pointer and copies content between computers
Design
Weight99 g (better)145 g
Size100.5 × 65 × 34.4 mm (length × width × height); Logitech's consumer support sheet gives 99 g with battery.126 × 85.7 × 48.4 mm (length × width × height)
ColoursGraphite, Pale Grey and Rose for the standard edition; Pale Grey for the Mac edition at launch.Graphite (EMEA)
In the boxStandard edition includes the mouse, Unifying receiver, USB-A-to-USB-C charging cable and documentation; Mac edition substitutes a USB-C-to-USB-C cable and omits the receiver.Mouse, Unifying receiver, Micro-USB charging cable and user documentation
Warranty–2-year manufacturer's guarantee

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