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

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

67
Keychron K3 Ultra-slim Wireless Mechanical Keyboard (Version 2)
69
NuPhy Air75 HE - Low-Profile Magnetic Jade / None / None

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3.5 (9415)
0.0 (0)
  • Released in 2020
  • Has Linear, Tactile, Clicky switch options
  • Built with the ANSI, JIS, ISO, ISO-Nordic, ISO-UK, ISO-DE, ISO-ES layout standard
  • Offers Normal ergonomics
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 1550 mAh battery
  • Features ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2025
  • Has Magnetic switch options
  • Built with the ANSI layout standard
  • Offers Low Profile ergonomics
  • Utilizes Hall effect sensors
  • Features N-key rollover
  • Enables rapid trigger functionality
  • Uses a Plate Mount mounting style
  • Supports Wired, Wired only connectivity
  • Runs at a 8000 Hz polling rate
  • Features PBT, PC keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Scores
  • Performance: 63.4
  • Build Quality: 64.9
  • Productivity: 65
  • Customizability: 68.1
  • Portability: 79.4
Scores
  • Performance: 97.7
  • Build Quality: 61.2
  • Productivity: 65.3
  • Customizability: 68.8
  • Portability: 65.6
Name
Keychron K3 V2
Name
Nuphy Air75 HE
Release year
2020
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Magnetic
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI, JIS, ISO, ISO-Nordic, ISO-UK, ISO-DE, ISO-ES
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, Wired, Wireless
Connection
Wired, Wired only
Polling Rate
-
Polling Rate
8000 Hz
Battery capacity
1550 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, Plastic
Case Material
Aluminum, Plastic
Keycaps Material
ABS
Keycaps Material
PBT, PC
Dimensions
-
Dimensions
-
Weight
-
Weight
-
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