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Compare Keychron B11 Pro vs K2 Ultra Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron B11 Pro 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.

Keychron B11 Pro Ultra-Slim Wireless Foldable Keyboard
93
Keychron K2 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection

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  • Has Linear, Tactile, Clicky switch options
  • Features a low-profile design
  • Available in a Unknown layout
  • Built with the ANSI layout standard
  • Utilizes Hall effect sensors
  • Runs at a 1000 Hz polling rate
  • Equipped with a 250 mAh battery
  • Weighs about 260 g
  • Made with a ABS case
  • Features ABS keycaps
  • Offers No RGB lighting
  • 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
  • Provides dedicated media keys
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Runs at a 8000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • 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
Scores
  • Performance: 48.1
  • Build Quality: 42.4
  • Productivity: 58.8
  • Customizability: 42.2
  • Portability: 48.8
Scores
  • Performance: 91.2
  • Build Quality: 86
  • Productivity: 97.6
  • Customizability: 95.1
  • Portability: 81.6
Name
Keychron B11 Pro
Name
Keychron K2 Ultra
Release year
2026
Release year
2026
Switch Options
Linear, Tactile, Clicky
Switch Options
Tactile, Linear, Clicky
Profile
Low Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
Unknown
Layout Size
75%
Layout Standard
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, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
8000 Hz
Battery capacity
250 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
-
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Rgb, White, South-face, White South-face
Case Colors
Case Colors
Case Material
ABS
Case Material
Aluminum, ABS
Keycaps Material
ABS
Keycaps Material
PBT
Dimensions
-
Dimensions
31 x 312 x 122 mm
Weight
260g
Weight
1084g
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