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Compare Keychron J1 vs K3 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron J1 and Keychron K3 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.

82
Keychron J1 QMK Wireless Mechanical Keyboard - Image: 3
66
Keychron K3 Ultra-slim Wireless Mechanical Keyboard FR-ISO Layout

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2.8 (8)
0.0 (0)
  • Released in 2025
  • Has Linear, Tactile, Clicky switch options
  • Built with the ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Features N-key rollover
  • Has built-in sound dampening
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 2000 mAh battery
  • Weighs about 661 g
  • Sized at 23 x 327 x 144 mm
  • Made with a ABS case
  • Features PBT keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
  • Released in 2023
  • Has Tactile, Linear, Clicky switch options
  • Built with the ISO-FR, ISO, ANSI layout standard
  • Provides dedicated media keys
  • Uses a Plate Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Equipped with a 1550 mAh battery
  • Made with a Aluminum, ABS case
  • Features PBT, ABS keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face RGB lighting
Scores
  • Performance: 81.7
  • Build Quality: 71.3
  • Productivity: 89.1
  • Customizability: 86.6
  • Portability: 79.8
Scores
  • Performance: 64.8
  • Build Quality: 61.9
  • Productivity: 65.9
  • Customizability: 70.3
  • Portability: 80.2
Name
Keychron J1
Name
Keychron K3
Release year
2025
Release year
2023
Switch Options
Linear, Tactile, Clicky
Switch Options
Tactile, Linear, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ISO-FR, 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, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
2000 mAh
Battery capacity
1550 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
Plate Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White, North-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
ABS
Case Material
Aluminum, ABS
Keycaps Material
PBT
Keycaps Material
PBT, ABS
Dimensions
23 x 327 x 144 mm
Dimensions
-
Weight
661g
Weight
-
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