Compare Keychron BM27 Mouse vs G4 Mouse Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron BM27 Mouse and Keychron G4 Mouse and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each mouse at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

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Main differences	Up to 2400 DPI DPI 1000 Hz polling rate Ergonomic, Vertical shape Weighs 99g 100h battery life	Optical sensor Up to 30000 DPI DPI 8000 Hz polling rate Right handed Ergonomic shape Weighs 55g Mechanical switches ABS material 130h battery life 50G acceleration
Name	Name Keychron BM27 Mouse	Name Keychron G4 Mouse
Release year	Release year 2026	Release year 2026
Features	Features Macro Buttons Adjustable DPI Software Tunable Memory Profiles Multi-Device Pairing	Features Macro Buttons Adjustable DPI Multi-Device Pairing Software Tunable Memory Profiles
Weight	Weight 99g	Weight 55g
Dimensions	Dimensions -	Dimensions -
Battery capacity	Battery capacity 500 mAh	Battery capacity 500 mAh
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Battery Capacity	Battery Capacity 500 mAh	Battery Capacity 500 mAh
Battery Life	Battery Life 100h	Battery Life 130h
Max Polling Rate	Max Polling Rate 1000 Hz	Max Polling Rate 8000 Hz
Min DPI	Min DPI -	Min DPI 100 DPI
Max DPI	Max DPI 2400 DPI	Max DPI 30000 DPI
Handedness	Handedness -	Handedness Right
Button Count	Button Count -	Button Count -
Sensor Type	Sensor Type -	Sensor Type Optical
Scroll Wheel Type	Scroll Wheel Type Standard	Scroll Wheel Type Standard
Acceleration	Acceleration -	Acceleration 50G
Switch Type	Switch Type -	Switch Type Mechanical