Compare Jamesdonkey S1 vs Keychron J1 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Jamesdonkey S1 and Keychron J1 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
		82	Select a keyboard to compare
Rating	0.0 stars (0 reviews)	2.8 stars (8 reviews)
Purchase Options
Main differences	Released in 2023 Has Tactile switch options Weighs about 500 g Made with a Aluminum case Offers Yes, White RGB lighting	Released in 2025 Has Linear, Tactile, Clicky switch options Supports hot-swappable switches Supports QMK firmware Supports VIA configuration Runs at a 1000 Hz polling rate Weighs about 661 g Sized at 23 x 327 x 144 mm Made with a ABS case Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Score	Scores Performance: 49 Build Quality: 43 Productivity: 71.8 Customizability: 45.8 Portability: 76.3	Scores Performance: 81.7 Build Quality: 71.3 Productivity: 89.1 Customizability: 86.6 Portability: 79.8
Name	Name Jamesdonkey S1	Name Keychron J1
Release year	Release year 2023	Release year 2025
Switch Options	Switch Options Tactile	Switch Options Linear, Tactile, Clicky
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
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 Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz
Battery capacity	Battery capacity 2000 mAh	Battery capacity 2000 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 -
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight White	Backlight Rgb, White, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material ABS
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions -	Dimensions 23 x 327 x 144 mm
Weight	Weight 500g	Weight 661g