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Compare Keychron B2 Pro vs B3 Pro Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron B2 Pro and Keychron B3 Pro 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 B2 Pro Ultra-Slim Wireless Keyboardd (ISO Layout)
Keychron B3 Pro Ultra-Slim Wireless Keyboard

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  • Available in a 96% layout
  • Built with the ISO, JIS, ANSI layout standard
  • Equipped with a 800 mAh battery
  • Weighs about 585 g
  • Sized at 5 x 96 x 5 mm
  • Made with a Plastic, ABS case
  • Available in a 75% layout
  • Built with the ANSI layout standard
  • Equipped with a 1200 mAh battery
  • Weighs about 410 g
  • Sized at 3 x 100 x 380 mm
  • Made with a ABS case
Scores
  • Performance: 48.6
  • Build Quality: 42.5
  • Productivity: 67
  • Customizability: 46.1
  • Portability: 51.1
Scores
  • Performance: 48.5
  • Build Quality: 42.4
  • Productivity: 66.9
  • Customizability: 46
  • Portability: 78.2
Name
Keychron B2 Pro
Name
Keychron B3 Pro
Release year
2025
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
96%
Layout Size
75%
Layout Standard
ISO, JIS, 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
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
800 mAh
Battery capacity
1200 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
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Backlight
 
Case Colors
Case Colors
Case Material
Plastic, ABS
Case Material
ABS
Keycaps Material
ABS
Keycaps Material
ABS
Dimensions
5 x 96 x 5 mm
Dimensions
3 x 100 x 380 mm
Weight
585g
Weight
410g
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