Compare Ajazz NK68 vs Redragon CASTOR K631 Pro Differences Side by Side

Explore the comprehensive side-by-side comparison of the Ajazz NK68 and Redragon CASTOR K631 Pro 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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Main differences	Released in 2025 Compatible with both Mac and Windows Supports Wired, Wired only connectivity Weighs about 500 g Sized at 34 x 327 x 114 mm	Released in 2026 Supports hot-swappable switches Features N-key rollover Uses a Bottom Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 1600 mAh battery Weighs about 470 g Sized at 40 x 309 x 104 mm Made with a Plastic case Features ABS keycaps
Score	Scores Performance: 56.2 Build Quality: 45.4 Productivity: 62.9 Customizability: 55.1 Portability: 73.4	Scores Performance: 70.4 Build Quality: 56.7 Productivity: 53.9 Customizability: 58.7 Portability: 84.7
Name	Name Ajazz NK68	Name Redragon CASTOR K631 Pro
Release year	Release year 2025	Release year 2026
Switch Options	Switch Options Linear	Switch Options Linear
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 65%	Layout Size 65%
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 -
Battery capacity	Battery capacity -	Battery capacity 1600 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 Bottom Mount
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 -	Case Material Plastic
Keycaps Material	Keycaps Material -	Keycaps Material ABS
Dimensions	Dimensions 34 x 327 x 114 mm	Dimensions 40 x 309 x 104 mm
Weight	Weight 500g	Weight 470g