HMX GB40 vs Keychron Q4 Pro Specs

Compare HMX GB40 vs Keychron Q4 Pro Differences Side by Side

Explore the comprehensive side-by-side comparison of the HMX GB40 and Keychron Q4 Pro 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 (2 reviews)
Purchase Options
Main differences	Released in 2025 Available in a 40% layout Built with the ANSI layout standard Features ABS, PBT keycaps	Released in 2023 Has Linear, Tactile, Clicky switch options Available in a 60% layout Built with the ANSI, ISO layout standard Compatible with both Mac and Windows Supports QMK firmware Supports VIA configuration Features N-key rollover Includes screw-in stabilizers Runs at a 1000 Hz polling rate Equipped with a 4000 mAh battery Weighs about 1351 g Sized at 21 x 121 x 303 mm Features PBT keycaps
Score	Scores Performance: 58.2 Build Quality: 68.5 Productivity: 56.4 Customizability: 57.3 Portability: 84.5	Scores Performance: 75.2 Build Quality: 87.3 Productivity: 91.1 Customizability: 95.3 Portability: 89.5
Name	Name HMX GB40	Name Keychron Q4 Pro
Release year	Release year 2025	Release year 2023
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 40%	Layout Size 60%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI, ISO
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, Wired, Wireless	Connection Bluetooth, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate 1000 Hz
Battery capacity	Battery capacity -	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, South-face	Backlight Rgb, South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material Aluminum
Keycaps Material	Keycaps Material ABS, PBT	Keycaps Material PBT
Dimensions	Dimensions -	Dimensions 21 x 121 x 303 mm
Weight	Weight -	Weight 1351g

Keychron Q4 Pro QMK/VIA Wireless Custom Mechanical Keyboard

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0.0 stars (0 reviews)

5.0 stars (2 reviews)

Released in 2025
Available in a 40% layout
Built with the ANSI layout standard
Features ABS, PBT keycaps

Released in 2023
Has Linear, Tactile, Clicky switch options
Available in a 60% layout
Built with the ANSI, ISO layout standard
Compatible with both Mac and Windows
Supports QMK firmware
Supports VIA configuration
Features N-key rollover
Includes screw-in stabilizers
Runs at a 1000 Hz polling rate
Equipped with a 4000 mAh battery
Weighs about 1351 g
Sized at 21 x 121 x 303 mm
Features PBT keycaps

Scores

Performance: 58.2
Build Quality: 68.5
Productivity: 56.4
Customizability: 57.3
Portability: 84.5

Scores

Performance: 75.2
Build Quality: 87.3
Productivity: 91.1
Customizability: 95.3
Portability: 89.5

Name

HMX GB40

Name

Keychron Q4 Pro

Release year

2025

Release year

2023

Switch Options

Linear, Tactile, Clicky

Profile

Normal Profile

Profile

Normal Profile

Hot Swappable

Layout Size

40%

Layout Size

60%

Layout Standard

ANSI

Layout Standard

ANSI, ISO

Layout Ergonomics

Normal

Layout Ergonomics

Normal

Knob Support

Display Support

Mac/Win Support

Multi-Media Keys

USB-C

USB passthrough

Connection

Bluetooth, Wired, Wireless

Connection

Bluetooth, Wired, Wireless

Polling Rate

1000 Hz

Battery capacity

4000 mAh

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

Gasket Mount

Mount Style

Gasket Mount

Screw in Stabilizers

Sound Dampening

Backlight

Rgb, South-face

Backlight

Rgb, South-face

Case Colors

Case Material

Aluminum

Case Material

Aluminum

Keycaps Material

ABS, PBT

Keycaps Material

PBT

Dimensions

21 x 121 x 303 mm

Weight

1351g

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