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Compare Keychron J4 vs J5 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron J4 and Keychron J5 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.

77
Keychron J4 QMK Wireless Mechanical Keyboard
75
Keychron J5 QMK Wireless Mechanical Keyboard

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0.0 (0)
3.0 (2)
  • Available in a 80% layout
  • Has built-in sound dampening
  • Equipped with a 4000 mAh battery
  • Available in a 100% layout
  • Equipped with a 3750 mAh battery
Scores
  • Performance: 69.9
  • Build Quality: 71.1
  • Productivity: 73.9
  • Customizability: 86.6
  • Portability: 66.4
Scores
  • Performance: 69.6
  • Build Quality: 69.1
  • Productivity: 62.8
  • Customizability: 86.5
  • Portability: 48.3
Name
Keychron J4
Name
Keychron J5
Release year
2025
Release year
2025
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
80%
Layout Size
100%
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
4000 mAh
Battery capacity
3750 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
 
Rgb, North-face
Backlight
 
Rgb, North-face
Case Colors
Case Colors
Case Material
-
Case Material
-
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
-
Dimensions
-
Weight
-
Weight
-
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