Compare Keychron J4 vs K2 V3 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron J4 and Keychron K2 V3 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)
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Main differences	Available in a 80% layout Built with the ANSI layout standard Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Features PBT keycaps Offers Yes, Rgb, North-face, Rgb North-face RGB lighting	Available in a 75% layout Built with the ISO, ANSI layout standard Compatible with both Mac and Windows Connects via USB-C Features N-key rollover Includes screw-in stabilizers Uses a PCB Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Made with a Aluminum case Features PC keycaps Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Score	Scores Performance: 70.4 Build Quality: 71.4 Productivity: 74.2 Customizability: 86.9 Portability: 66.3	Scores Performance: 82.1 Build Quality: 84.9 Productivity: 95.1 Customizability: 92.9 Portability: 80.6
Name	Name Keychron J4	Name Keychron K2 V3
Release year	Release year 2025	Release year 2025
Switch Options	Switch Options Linear, Tactile, Clicky	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 ISO, 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, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
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 -	Mount Style PCB Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, North-face	Backlight Rgb, White, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material -	Case Material Aluminum
Keycaps Material	Keycaps Material PBT	Keycaps Material PC
Dimensions	Dimensions -	Dimensions -
Weight	Weight -	Weight -