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Compare Keychron K3 Ultra vs Nuphy Air75 V3 Differences Side by Side

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

84
Keychron K3 Ultra 8K Wireless Custom Mechanical Keyboard
86
Nuphy Air75V3 Low Profile Mechanical Keyboard Kit

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  • Released in 2026
  • Has Linear, Tactile, Clicky switch options
  • Built with the ANSI, ISO layout standard
  • Supports QMK firmware
  • Uses a Plate Mount mounting style
  • Runs at a 8000 Hz polling rate
  • Equipped with a 2600 mAh battery
  • Made with a ABS, Wood 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 switch options
  • Built with the ANSI, ISO-FR, ISO, ISO-DE, ISO-UK, JIS layout standard
  • Comes with a knob
  • Provides dedicated media keys
  • Features N-key rollover
  • 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 RGB lighting
Scores
  • Performance: 86.6
  • Build Quality: 75.7
  • Productivity: 88.6
  • Customizability: 86.8
  • Portability: 82.1
Scores
  • Performance: 80
  • Build Quality: 79.9
  • Productivity: 88.3
  • Customizability: 88.6
  • Portability: 81.7
Name
Keychron K3 Ultra
Name
Nuphy Air75 V3
Release year
2026
Release year
2024
Switch Options
Linear, Tactile, Clicky
Switch Options
Tactile, Linear, Clicky, Low-profile 3.0
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI, ISO
Layout Standard
ANSI, ISO-FR, ISO, ISO-DE, ISO-UK, JIS
Layout Ergonomics
Normal
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
8000 Hz
Polling Rate
1000 Hz
Battery capacity
2600 mAh
Battery capacity
4000 mAh
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
Plate Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Material
ABS, Wood
Case Material
Aluminum, ABS, Polycarbonate, Plastic
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
-
Dimensions
13 x 319 x 129 mm
Weight
-
Weight
750g
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