Compare Jamesdonkey A3 3.0 vs Coolkiller CK75 SE Differences Side by Side

Explore the comprehensive side-by-side comparison of the Jamesdonkey A3 3.0 and Coolkiller CK75 SE 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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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
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Main differences	Released in 2024 Comes with a knob Includes a No display Provides dedicated media keys Supports QMK firmware Equipped with a 3750 mAh battery Sized at 42 x 148 x 329 mm Features PBT keycaps Offers Yes, Rgb RGB lighting	Released in 2026 Includes a Yes, LED display Connects via USB-C Features N-key rollover Runs at a 1000 Hz polling rate Equipped with a 4000 mAh battery Weighs about 1000 g Sized at 40 x 326 x 139 mm Made with a Plastic case Features PBT, PC keycaps Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Score	Scores Performance: 53.6 Build Quality: 60.1 Productivity: 80.3 Customizability: 82 Portability: 75.5	Scores Performance: 75.5 Build Quality: 66.9 Productivity: 76.9 Customizability: 67.5 Portability: 80.1
Name	Name Jamesdonkey A3 3.0	Name Coolkiller CK75 SE
Release year	Release year 2024	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 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 LED
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 3750 mAh	Battery capacity 4000 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 Gasket Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb, South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material -	Case Material Plastic
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT, PC
Dimensions	Dimensions 42 x 148 x 329 mm	Dimensions 40 x 326 x 139 mm
Weight	Weight -	Weight 1000g