Compare Keychron K2 HE vs Nuphy Air75 V3 vs WOBKEY Rainy75 Pro Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K2 HE and Nuphy Air75 V3 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
	99	95	94
Rating	4.6 stars (82 reviews)	0.0 stars (0 reviews)	5.0 stars (34 reviews)
Purchase Options
Main differences	Has Linear, Magnetic switch options Built with the ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, ANSI, JIS layout standard Utilizes Hall effect sensors Enables rapid trigger functionality Uses a Tray Mount mounting style Weighs about 1743 g Sized at 41 x 127 x 321 mm Made with a Aluminum, Wood, ABS, Resin case Features PBT, ABS, PC keycaps Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting	Has Tactile, Linear, Clicky, Low-profile 3.0, Mechanical switch options Features a low-profile design Built with the ANSI, ISO-DE, ISO, ISO-FR, ISO-UK, JIS layout standard Weighs about 750 g Sized at 13 x 319 x 129 mm Made with a Aluminum, ABS, Plastic, Polycarbonate case Offers Yes, Rgb, North-face, Rgb North-face, South-face, Rgb South-face RGB lighting	Released in 2025 Has Linear, Silent switch options Built with the ANSI, ISO-DE, ISO layout standard Supports Bluetooth, 2.4 GHz, Wired, Wireless, connectivity Equipped with a 7000 mAh battery Weighs about 1800 g Sized at 30 x 320 x 150 mm Made with a Aluminum, Steel case Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Score	Scores Performance: 93.3 Build Quality: 90.9 Productivity: 97 Customizability: 98.1 Portability: 81.1	Scores Performance: 81.7 Build Quality: 88.2 Productivity: 97.3 Customizability: 98.3 Portability: 81.3	Scores Performance: 79.6 Build Quality: 88 Productivity: 93.9 Customizability: 88.7 Portability: 91.5
Name	Name Keychron K2 HE	Name Nuphy Air75 V3	Name WOBKEY Rainy75 Pro
Release year	Release year 2024	Release year 2024	Release year 2025
Switch Options	Switch Options Linear, Magnetic	Switch Options Tactile, Linear, Clicky, Low-profile 3.0, Mechanical	Switch Options Linear, Silent
Profile	Profile Normal Profile	Profile Low Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-CH, ISO-Nordic, ANSI, JIS	Layout Standard ANSI, ISO-DE, ISO, ISO-FR, ISO-UK, JIS	Layout Standard ANSI, ISO-DE, ISO
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless,
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 4000 mAh	Battery capacity 4000 mAh	Battery capacity 7000 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Tray Mount	Mount Style Gasket Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, North-face, White	Backlight Rgb, North-face, South-face	Backlight Rgb, South-face
Case Colors	Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum, Wood, ABS, Resin	Case Material Aluminum, ABS, Plastic, Polycarbonate	Case Material Aluminum, Steel
Keycaps Material	Keycaps Material PBT, ABS, PC	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 41 x 127 x 321 mm	Dimensions 13 x 319 x 129 mm	Dimensions 30 x 320 x 150 mm
Weight	Weight 1743g	Weight 750g	Weight 1800g