Compare Keychron B4 Pro vs B5 Pro Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron B4 Pro and Keychron B5 Pro and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keyboard 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	Features a low-profile design Available in a 96% layout Equipped with a 800 mAh battery Weighs about 495 g Sized at -1 x -1 x -1 mm	Available in a 100% layout Provides dedicated media keys Equipped with a 1200 mAh battery Weighs about 623 g Sized at 10 x 438 x 121 mm
Score	Scores Performance: 49.7 Build Quality: 43.7 Productivity: 69 Customizability: 42.4 Portability: 52	Scores Performance: 49.5 Build Quality: 43.5 Productivity: 68.8 Customizability: 47.6 Portability: 51.8
Name	Name Keychron B4 Pro	Name Keychron B5 Pro
Release year	Release year 2025	Release year 2025
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Low Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 96%	Layout Size 100%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 800 mAh	Battery capacity 1200 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style -	Mount Style -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight	Backlight
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS	Case Material ABS
Keycaps Material	Keycaps Material ABS	Keycaps Material ABS
Dimensions	Dimensions -1 x -1 x -1 mm	Dimensions 10 x 438 x 121 mm
Weight	Weight 495g	Weight 623g