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Compare Nuphy Air75 V2 vs Keychron K3 HE Differences Side by Side

Explore the comprehensive side-by-side comparison of the Nuphy Air75 V2 and Keychron K3 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.

92
NuPhy Air75 V2 - Lunar Gray
77
Keychron K3 HE Wireless Magnetic Switch Custom Keyboard

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  • Released in 2023
  • Has Low-Profile Mechanical, Linear, Tactile switch options
  • Offers Low Profile ergonomics
  • Provides dedicated media keys
  • Connects via USB-C
  • Features N-key rollover
  • Has built-in sound dampening
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Weighs about 598 g
  • Sized at 14 x 317 x 133 mm
  • Made with a Aluminum, Plastic, ABS case
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Released in 2026
  • Has Linear, Tactile, Clicky, Magnetic switch options
  • Offers Normal ergonomics
  • Utilizes Hall effect sensors
  • Uses a Tray Mount mounting style
  • Offers Yes, North-face RGB lighting
Scores
  • Performance: 80.8
  • Build Quality: 79.7
  • Productivity: 88.6
  • Customizability: 95.2
  • Portability: 79.2
Scores
  • Performance: 70.9
  • Build Quality: 72.3
  • Productivity: 68.5
  • Customizability: 84.4
  • Portability: 77.9
Name
Nuphy Air75 V2
Name
Keychron K3 HE
Release year
2023
Release year
2026
Switch Options
Low-Profile Mechanical, Linear, Tactile
Switch Options
Linear, Tactile, Clicky, Magnetic
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Low Profile
Layout Ergonomics
Normal
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
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
4000 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
-
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
North-face
Case Colors
Case Colors
Case Material
Aluminum, Plastic, ABS
Case Material
-
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
14 x 317 x 133 mm
Dimensions
-
Weight
598g
Weight
-
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