Compare Keychron K2 QMK V3 vs Keydous NJ81 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K2 QMK V3 and Keydous NJ81 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.

Model
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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2025 Has Linear, Tactile, Clicky switch options Built with the ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ANSI layout standard Includes a No display Provides dedicated media keys Supports QMK firmware Supports VIA configuration Features N-key rollover Uses a PCB Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Made with a Aluminum case Offers Yes, Rgb, White RGB lighting	Released in 2022 Has Clicky, Linear switch options Built with the ANSI layout standard Includes a Yes display Uses a Gasket Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Weighs about 970 g Sized at 36 x 134 x 315 mm Made with a Plastic case Offers Yes, Rgb RGB lighting
Score	Scores Performance: 81.9 Build Quality: 78.8 Productivity: 80.6 Customizability: 90 Portability: 80.6	Scores Performance: 48.3 Build Quality: 54.7 Productivity: 65.7 Customizability: 79 Portability: 80.2
Name	Name Keychron K2 QMK V3	Name Keydous NJ81
Release year	Release year 2025	Release year 2022
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Clicky, Linear
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, 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, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity 4000 mAh	Battery capacity 4000 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 PCB Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, White	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material Plastic
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions -	Dimensions 36 x 134 x 315 mm
Weight	Weight -	Weight 970g