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Compare Keychron K2 QMK V3 vs K2 Ultra Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K2 QMK V3 and Keychron K2 Ultra 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.

83
Keychron K2 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3
93
Keychron K2 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection

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  • Released in 2025
  • Built with the ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ANSI layout standard
  • Uses a PCB Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Made with a Aluminum case
  • Offers Yes, Rgb, White RGB lighting
  • Released in 2026
  • Built with the ISO-ES, ISO-FR, ISO-IT, ISO, ANSI layout standard
  • Comes with a knob
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 8000 Hz polling rate
  • Weighs about 1084 g
  • Sized at 31 x 312 x 122 mm
  • Made with a Aluminum, ABS case
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
Scores
  • Performance: 80.5
  • Build Quality: 77
  • Productivity: 81.5
  • Customizability: 89.7
  • Portability: 82.3
Scores
  • Performance: 91.2
  • Build Quality: 86
  • Productivity: 97.6
  • Customizability: 95.2
  • Portability: 81.6
Name
Keychron K2 QMK V3
Name
Keychron K2 Ultra
Release year
2025
Release year
2026
Switch Options
Tactile, Linear, Clicky
Switch Options
Tactile, Linear, Clicky
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ISO, ISO-UK, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ANSI
Layout Standard
ISO-ES, ISO-FR, ISO-IT, ISO, ANSI
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, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
-
Polling Rate
8000 Hz
Battery capacity
4000 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
PCB Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White
Backlight
 
Rgb, White, South-face, White South-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Aluminum, ABS
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
-
Dimensions
31 x 312 x 122 mm
Weight
-
Weight
1084g
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