Compare Keychron J5 QMK vs Royal Kludge S104 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron J5 QMK and Royal Kludge S104 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 Includes a No display Supports QMK firmware Features N-key rollover Runs at a 1000 Hz polling rate Equipped with a 3750 mAh battery Weighs about 1100 g Sized at 35 x 436 x 129 mm Made with a ABS case Features PBT keycaps Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting	Released in 2026 Has Linear, Silent switch options Comes with a knob Includes a Yes, TFT display Uses a Top Mount mounting style Equipped with a 8000 mAh battery Weighs about 1520 g Sized at 43 x 422 x 138 mm Features PBT, ABS keycaps Offers Yes, Rgb RGB lighting
Score	Scores Performance: 77.9 Build Quality: 61.5 Productivity: 84.3 Customizability: 75.4 Portability: 56.8	Scores Performance: 66.8 Build Quality: 63.6 Productivity: 84.1 Customizability: 74.1 Portability: 63.5
Name	Name Keychron J5 QMK	Name Royal Kludge S104
Release year	Release year 2025	Release year 2026
Switch Options	Switch Options -	Switch Options Linear, Silent
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 100%	Layout Size 100%
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 TFT
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, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate -
Battery capacity	Battery capacity 3750 mAh	Battery capacity 8000 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 Top Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, White, North-face	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS	Case Material -
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT, ABS
Dimensions	Dimensions 35 x 436 x 129 mm	Dimensions 43 x 422 x 138 mm
Weight	Weight 1100g	Weight 1520g