Compare Ajazz AK870MC vs Keychron B31 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Ajazz AK870MC and Keychron B31 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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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
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Main differences	Released in 2024 Has Tactile, Linear switch options Supports hot-swappable switches Available in a 80% layout Uses a Bottom Mount mounting style Supports Wired, Wired only connectivity Weighs about 580 g Sized at 20 x 127 x 356 mm Made with a ABS case Offers Yes, Rgb RGB lighting	Released in 2026 Has Linear, Tactile, Clicky switch options Available in a 75% layout Provides dedicated media keys Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Equipped with a 800 mAh battery Weighs about 520 g Sized at 26 x 138 x 327 mm Made with a ABS, Plastic case Features ABS keycaps Offers No RGB lighting
Score	Scores Performance: 79.3 Build Quality: 57.4 Productivity: 76.9 Customizability: 70.7 Portability: 58.5	Scores Performance: 57.1 Build Quality: 41.9 Productivity: 66.7 Customizability: 45.5 Portability: 78.1
Name	Name Ajazz AK870MC	Name Keychron B31
Release year	Release year 2024	Release year 2026
Switch Options	Switch Options Tactile, Linear	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 80%	Layout Size 75%
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 Wired, Wired only	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz
Battery capacity	Battery capacity -	Battery capacity 800 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 Bottom Mount	Mount Style -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS	Case Material ABS, Plastic
Keycaps Material	Keycaps Material -	Keycaps Material ABS
Dimensions	Dimensions 20 x 127 x 356 mm	Dimensions 26 x 138 x 327 mm
Weight	Weight 580g	Weight 520g