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Compare Keychron K2 Ultra vs R3 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K2 Ultra and Keychron R3 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.

93
Keychron K2 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron R3 TKL Wireless RGB Keyboard

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  • Has Tactile, Linear, Clicky switch options
  • Supports hot-swappable switches
  • Available in a 75% layout
  • Built with the ISO-ES, ISO-FR, ISO-IT, ISO, ANSI layout standard
  • Comes with a knob
  • Compatible with both Mac and Windows
  • Connects via USB-C
  • Supports VIA configuration
  • Features N-key rollover
  • 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
  • Features PBT keycaps
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face RGB lighting
  • Has Tactile, Linear switch options
  • Available in a 80% layout
  • Built with the ANSI layout standard
  • Offers No RGB lighting
Scores
  • Performance: 91.2
  • Build Quality: 86
  • Productivity: 97.6
  • Customizability: 95.1
  • Portability: 81.6
Scores
  • Performance: 44.3
  • Build Quality: 52.4
  • Productivity: 46.1
  • Customizability: 48.8
  • Portability: 50.5
Name
Keychron K2 Ultra
Name
Keychron R3
Release year
2026
Release year
2026
Switch Options
Tactile, Linear, Clicky
Switch Options
Tactile, Linear
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
80%
Layout Standard
ISO-ES, ISO-FR, ISO-IT, ISO, ANSI
Layout Standard
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, 2.4 GHz, Wired, Wireless
Connection
Polling Rate
8000 Hz
Polling Rate
-
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
Gasket Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, South-face, White South-face
Backlight
 
Case Colors
Case Colors
Case Material
Aluminum, ABS
Case Material
-
Keycaps Material
PBT
Keycaps Material
-
Dimensions
31 x 312 x 122 mm
Dimensions
-
Weight
1084g
Weight
-
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