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Compare Keychron B31 vs B33 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron B31 and Keychron B33 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 B31 Wireless Keyboard
66
Keychron B33 Wireless Keyboard

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0.0 (0)
4.7 (3)
  • Released in 2026
  • Available in a 75% layout
  • Equipped with a 800 mAh battery
  • Weighs about 520 g
  • Sized at 26 x 138 x 327 mm
  • Made with a ABS, Plastic case
  • Features ABS keycaps
  • Released in 2025
  • Features a low-profile design
  • Available in a 80% layout
  • Includes screw-in stabilizers
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Equipped with a 4000 mAh battery
  • Weighs about 1977 g
  • Sized at 33 x 370 x 146 mm
  • Made with a Metal, ABS case
  • Features PBT, ABS keycaps
Scores
  • Performance: 57.1
  • Build Quality: 41.9
  • Productivity: 66.7
  • Customizability: 45.5
  • Portability: 78.1
Scores
  • Performance: 56.4
  • Build Quality: 65.7
  • Productivity: 85.3
  • Customizability: 51.9
  • Portability: 73.6
Name
Keychron B31
Name
Keychron B33
Release year
2026
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
80%
Layout Standard
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
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
 
Case Colors
Case Colors
Case Material
ABS, Plastic
Case Material
Metal, ABS
Keycaps Material
ABS
Keycaps Material
PBT, ABS
Dimensions
26 x 138 x 327 mm
Dimensions
33 x 370 x 146 mm
Weight
520g
Weight
1977g
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Keychron B31 vs B33 Specs