Compare Keychron V4 vs Leobog K21 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron V4 and Leobog K21 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
	91	69	Select a keyboard to compare
Rating	5.0 stars (18 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Has Linear, Tactile, Clicky switch options Available in a 60% layout Built with the ISO, JIS, ANSI, ISO-DE layout standard Comes with a knob Provides dedicated media keys Supports QMK firmware Supports VIA configuration Includes screw-in stabilizers Uses a Tray Mount mounting style Supports Wired, Wired only connectivity Runs at a 1000 Hz polling rate Weighs about 730 g Sized at 20 x 117 x 304 mm Made with a Plastic, ABS case Features ABS, PBT, keycaps Offers Yes, Rgb, South-face, Rgb South-face RGB lighting	Available in a Numpad layout Built with the ANSI layout standard Features N-key rollover Uses a Plate Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 600 mAh battery Weighs about 200 g Sized at 37 x 82 x 120 mm Made with a Plastic case Features PBT, ABS keycaps Offers Yes, Rgb, White RGB lighting
Score	Scores Performance: 66.5 Build Quality: 86.3 Productivity: 94.6 Customizability: 99.8 Portability: 75	Scores Performance: 72.1 Build Quality: 60 Productivity: 80 Customizability: 70.7 Portability: 88.9
Name	Name Keychron V4	Name Leobog K21
Release year	Release year 2022	Release year 2022
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options -
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 60%	Layout Size Numpad
Layout Standard	Layout Standard ISO, JIS, ANSI, ISO-DE	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 1000 Hz	Polling Rate -
Battery capacity	Battery capacity -	Battery capacity 600 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 Tray Mount	Mount Style Plate Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, South-face	Backlight Rgb, White
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic, ABS	Case Material Plastic
Keycaps Material	Keycaps Material ABS, PBT,	Keycaps Material PBT, ABS
Dimensions	Dimensions 20 x 117 x 304 mm	Dimensions 37 x 82 x 120 mm
Weight	Weight 730g	Weight 200g