Jamesdonkey James Donkey RS2 V2 vs Keychron K4 Max Specs

Compare Jamesdonkey James Donkey RS2 V2 vs Keychron K4 Max Differences Side by Side

Explore the comprehensive side-by-side comparison of the Jamesdonkey James Donkey RS2 V2 and Keychron K4 Max 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
Rating	0.0 stars (0 reviews)	5.0 stars (1 reviews)
Purchase Options
Main differences	Released in 2022 Built with the ANSI layout standard Comes with a knob Connects via USB-C Uses a Gasket Mount mounting style Equipped with a 3000 mAh battery Weighs about 950 g Made with a ABS, Polycarbonate case Offers Yes, Rgb RGB lighting	Released in 2025 Has Linear, Tactile, Clicky switch options Built with the ISO, ANSI layout standard Supports QMK firmware Supports VIA configuration Includes screw-in stabilizers Uses a PCB Mount mounting style Runs at a 1000 Hz polling rate Equipped with a 4000 mAh battery Weighs about 1290 g Sized at 31 x 391 x 140 mm Made with a ABS case Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting
Score	Scores Performance: 64.9 Build Quality: 56.2 Productivity: 85.7 Customizability: 83.4 Portability: 55.2	Scores Performance: 82 Build Quality: 80.4 Productivity: 88.9 Customizability: 92.7 Portability: 50.5
Name	Name Jamesdonkey James Donkey RS2 V2	Name Keychron K4 Max
Release year	Release year 2022	Release year 2025
Switch Options	Switch Options -	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 96%	Layout Size 96%
Layout Standard	Layout Standard ANSI	Layout Standard ISO, 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 3000 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 PCB Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb, South-face, White, White South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS, Polycarbonate	Case Material ABS
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions -	Dimensions 31 x 391 x 140 mm
Weight	Weight 950g	Weight 1290g

JAMESDONKEY RS2 Rosy RGB Mechanical Keyboard

-25% off

Keychron K4 Max QMK Wireless Mechanical Keyboard ISO Layout Collection

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0.0 stars (0 reviews)

5.0 stars (1 reviews)

Released in 2022
Built with the ANSI layout standard
Comes with a knob
Connects via USB-C
Uses a Gasket Mount mounting style
Equipped with a 3000 mAh battery
Weighs about 950 g
Made with a ABS, Polycarbonate case
Offers Yes, Rgb RGB lighting

Released in 2025
Has Linear, Tactile, Clicky switch options
Built with the ISO, ANSI layout standard
Supports QMK firmware
Supports VIA configuration
Includes screw-in stabilizers
Uses a PCB Mount mounting style
Runs at a 1000 Hz polling rate
Equipped with a 4000 mAh battery
Weighs about 1290 g
Sized at 31 x 391 x 140 mm
Made with a ABS case
Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting

Scores

Performance: 64.9
Build Quality: 56.2
Productivity: 85.7
Customizability: 83.4
Portability: 55.2

Scores

Performance: 82
Build Quality: 80.4
Productivity: 88.9
Customizability: 92.7
Portability: 50.5

Name

Jamesdonkey James Donkey RS2 V2

Name

Keychron K4 Max

Release year

2022

Release year

2025

Switch Options

Linear, Tactile, Clicky

Profile

Normal Profile

Profile

Normal Profile

Hot Swappable

Layout Size

96%

Layout Size

96%

Layout Standard

ANSI

Layout Standard

ISO, ANSI

Layout Ergonomics

Normal

Layout Ergonomics

Normal

Knob Support

Display Support

Mac/Win Support

Multi-Media Keys

USB-C

USB passthrough

Connection

Bluetooth, 2.4 GHz, Wired, Wireless

Connection

Bluetooth, 2.4 GHz, Wired, Wireless

Polling Rate

1000 Hz

Battery capacity

3000 mAh

Battery capacity

4000 mAh

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

Gasket Mount

Mount Style

PCB Mount

Screw in Stabilizers

Sound Dampening

Backlight

Rgb

Backlight

Rgb, South-face, White, White South-face

Case Colors

Case Material

ABS, Polycarbonate

Case Material

ABS

Keycaps Material

PBT

Keycaps Material

PBT

Dimensions

31 x 391 x 140 mm

Weight

950g

Weight

1290g

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Model
	71	-25% off 88	Select a keyboard to compare
Rating	0.0 stars (0 reviews)	5.0 stars (1 reviews)
Purchase Options
Main differences	Released in 2022 Built with the ANSI layout standard Comes with a knob Connects via USB-C Uses a Gasket Mount mounting style Equipped with a 3000 mAh battery Weighs about 950 g Made with a ABS, Polycarbonate case Offers Yes, Rgb RGB lighting	Released in 2025 Has Linear, Tactile, Clicky switch options Built with the ISO, ANSI layout standard Supports QMK firmware Supports VIA configuration Includes screw-in stabilizers Uses a PCB Mount mounting style Runs at a 1000 Hz polling rate Equipped with a 4000 mAh battery Weighs about 1290 g Sized at 31 x 391 x 140 mm Made with a ABS case Offers Yes, Rgb, South-face, Rgb South-face, White, White South-face RGB lighting
Score	Scores Performance: 64.9 Build Quality: 56.2 Productivity: 85.7 Customizability: 83.4 Portability: 55.2	Scores Performance: 82 Build Quality: 80.4 Productivity: 88.9 Customizability: 92.7 Portability: 50.5
Name	Name Jamesdonkey James Donkey RS2 V2	Name Keychron K4 Max
Release year	Release year 2022	Release year 2025
Switch Options	Switch Options -	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 96%	Layout Size 96%
Layout Standard	Layout Standard ANSI	Layout Standard ISO, 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 3000 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 PCB Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb, South-face, White, White South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS, Polycarbonate	Case Material ABS
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions -	Dimensions 31 x 391 x 140 mm
Weight	Weight 950g	Weight 1290g