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Compare Keychron K3 HE vs Nuphy Air75 HE Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K3 HE and Nuphy Air75 HE 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.

86
Keychron K3 HE Wireless Magnetic Switch Custom ISO Keyboard
72
NuPhy Air75 HE

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5.0 (4)
0.0 (0)
  • Released in 2026
  • Has Magnetic, Linear, Tactile, Clicky switch options
  • Built with the ISO, ISO-DE, ISO-ES, ISO-FR, ANSI layout standard
  • Offers Normal ergonomics
  • Supports QMK firmware
  • Supports VIA configuration
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 2600 mAh battery
  • Weighs about 575 g
  • Sized at 25 x 319 x 126 mm
  • Made with a Aluminum, Wood, ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2024
  • Has Magnetic switch options
  • Built with the ANSI layout standard
  • Offers Low Profile ergonomics
  • Provides dedicated media keys
  • Has built-in sound dampening
  • Uses a Plate Mount mounting style
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 702 g
  • Sized at 18 x 316 x 133 mm
  • Made with a Aluminum, Plastic case
  • Features PBT, PC keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 92.4
  • Build Quality: 82.7
  • Productivity: 81.6
  • Customizability: 86.9
  • Portability: 81.7
Scores
  • Performance: 97.7
  • Build Quality: 63.6
  • Productivity: 75.9
  • Customizability: 69.4
  • Portability: 66.3
Name
Keychron K3 HE
Name
Nuphy Air75 HE
Release year
2026
Release year
2024
Switch Options
Magnetic, Linear, Tactile, Clicky
Switch Options
Magnetic
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ISO, ISO-DE, ISO-ES, ISO-FR, ANSI
Layout Standard
ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Low Profile
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Wired, Wired only
Polling Rate
1000 Hz
Polling Rate
8000 Hz
Battery capacity
2600 mAh
Battery capacity
-
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Tray Mount
Mount Style
Plate Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Aluminum, Wood, ABS
Case Material
Aluminum, Plastic
Keycaps Material
PBT
Keycaps Material
PBT, PC
Dimensions
25 x 319 x 126 mm
Dimensions
18 x 316 x 133 mm
Weight
575g
Weight
702g
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