Compare GMK GMK87 vs Yunzii B75 Pro Max Differences Side by Side

Explore the comprehensive side-by-side comparison of the GMK GMK87 and Yunzii B75 Pro 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.

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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
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Main differences	Released in 2024 Available in a 80% layout Includes a Yes display Compatible with both Mac and Windows Has built-in sound dampening	Released in 2025 Available in a 75% layout Includes a Yes, TFT display Connects via USB-C Supports QMK firmware Features N-key rollover Equipped with a 8000 mAh battery Weighs about 993 g Sized at 42 x 334 x 144 mm Features PBT keycaps
Score	Scores Performance: 69.6 Build Quality: 75.6 Productivity: 80.3 Customizability: 82.4 Portability: 67.4	Scores Performance: 83.4 Build Quality: 80 Productivity: 73.5 Customizability: 89.3 Portability: 90.4
Name	Name GMK GMK87	Name Yunzii B75 Pro Max
Release year	Release year 2024	Release year 2025
Switch Options	Switch Options Linear	Switch Options Linear
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 80%	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 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 -	Polling Rate -
Battery capacity	Battery capacity -	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 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 -	Case Material -
Keycaps Material	Keycaps Material -	Keycaps Material PBT
Dimensions	Dimensions -	Dimensions 42 x 334 x 144 mm
Weight	Weight -	Weight 993g