Compare Keychron K1 Ultra vs Nuphy Air75 V3 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K1 Ultra 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.

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Main differences	Released in 2026 Has Linear, Tactile, Clicky switch options Available in a 80% layout Built with the ANSI layout standard Uses a Plate Mount mounting style Runs at a 8000 Hz polling rate Equipped with a 2600 mAh battery Weighs about 628.9 g Sized at 20 x 359 x 128 mm Made with a Aluminum, Wood, ABS, Metal case Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting	Released in 2024 Has Tactile, Linear, Clicky, Low-profile 3.0, Mechanical switch options Available in a 75% layout Built with the ANSI, ISO-FR, ISO, ISO-DE, ISO-UK, JIS layout standard Supports QMK firmware Supports VIA configuration Includes screw-in stabilizers Uses a Gasket Mount mounting style Runs at a 1000 Hz polling rate Equipped with a 4000 mAh battery Weighs about 750 g Sized at 13 x 319 x 129 mm Made with a Aluminum, ABS, Polycarbonate, Plastic case Offers Yes, Rgb, North-face, Rgb North-face, South-face, Rgb South-face RGB lighting
Score	Scores Performance: 89.1 Build Quality: 70.1 Productivity: 83.9 Customizability: 75 Portability: 76.4	Scores Performance: 81.8 Build Quality: 88.1 Productivity: 97.2 Customizability: 99.7 Portability: 81.5
Name	Name Keychron K1 Ultra	Name Nuphy Air75 V3
Release year	Release year 2026	Release year 2024
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Tactile, Linear, Clicky, Low-profile 3.0, Mechanical
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 80%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI, ISO-FR, ISO, ISO-DE, ISO-UK, JIS
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 8000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 2600 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 Plate Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, White, North-face	Backlight Rgb, North-face, South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum, Wood, ABS, Metal	Case Material Aluminum, ABS, Polycarbonate, Plastic
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 20 x 359 x 128 mm	Dimensions 13 x 319 x 129 mm
Weight	Weight 628.9g	Weight 750g