Compare Keychron Q16 HE vs Sikakeyb Castle HM66 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron Q16 HE and Sikakeyb Castle HM66 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
	90		Select a keyboard to compare
Rating	3.7 stars (6 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2025 Has Linear, Tactile, Clicky, Magnetic switch options Supports hot-swappable switches Built with the ANSI, ISO-DE, ISO-ES, ISO layout standard Compatible with both Mac and Windows Connects via USB-C Supports QMK firmware Supports VIA configuration Uses a Gasket Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless, Wired only, connectivity Weighs about 1060 g Sized at 22 x 315 x 111 mm Made with a Ceramic, Wood, Metal case Features Ceramic keycaps Offers Yes, Rgb, North-face, Rgb North-face RGB lighting	Released in 2024 Has Magnetic switch options Built with the ANSI layout standard Supports Wired, Wired only connectivity Weighs about 630 g Sized at 37 x 103 x 294 mm Made with a Aluminum case Features PBT keycaps Offers Yes, Rgb RGB lighting
Score	Scores Performance: 94.3 Build Quality: 87.1 Productivity: 83.9 Customizability: 92.2 Portability: 87	Scores Performance: 85.7 Build Quality: 43.2 Productivity: 51.2 Customizability: 46.8 Portability: 63.4
Name	Name Keychron Q16 HE	Name Sikakeyb Castle HM66
Release year	Release year 2025	Release year 2024
Switch Options	Switch Options Linear, Tactile, Clicky, Magnetic	Switch Options Magnetic
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, ISO-DE, ISO-ES, ISO	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, Wired only,	Connection Wired, Wired only
Polling Rate	Polling Rate 8000 Hz	Polling Rate 8000 Hz
Battery capacity	Battery capacity -	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, North-face	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Ceramic, Wood, Metal	Case Material Aluminum
Keycaps Material	Keycaps Material Ceramic	Keycaps Material PBT
Dimensions	Dimensions 22 x 315 x 111 mm	Dimensions 37 x 103 x 294 mm
Weight	Weight 1060g	Weight 630g