Compare Feker JJK21 vs Zuoya GMK21 Numpad Differences Side by Side

Explore the comprehensive side-by-side comparison of the Feker JJK21 and Zuoya GMK21 Numpad 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
	76	79	Select a keyboard to compare
Rating	2.8 stars (10 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2022 Connects via USB-C Features N-key rollover Has built-in sound dampening Uses a Gasket Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 1500 mAh battery Weighs about 300 g Made with a Plastic case	Released in 2026 Supports QMK firmware Supports VIA configuration
Score	Scores Performance: 76.2 Build Quality: 75 Productivity: 73 Customizability: 80.1 Portability: 86.3	Scores Performance: 59.9 Build Quality: 78.2 Productivity: 63.1 Customizability: 93.8 Portability: 65.2
Name	Name Feker JJK21	Name Zuoya GMK21 Numpad
Release year	Release year 2022	Release year 2026
Switch Options	Switch Options -	Switch Options -
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size Numpad	Layout Size Numpad
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
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity 1500 mAh	Battery capacity -
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 Gasket Mount	Mount Style -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic	Case Material -
Keycaps Material	Keycaps Material -	Keycaps Material -
Dimensions	Dimensions -	Dimensions -
Weight	Weight 300g	Weight -