KeebFinder
Not sure which keyboard to choose? Try the Keyboard Finder now!

Compare Keychron J4 vs K2 V3 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron J4 and Keychron K2 V3 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.

-20% off
82
Keychron J4 QMK Wireless Mechanical Keyboard
-30% off
91
Keychron K2 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3

Select a keyboard to compare

0.0 (0)
0.0 (0)
  • Available in a 80% layout
  • Built with the ANSI layout standard
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Features PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face RGB lighting
  • Available in a 75% layout
  • Built with the ISO, ANSI layout standard
  • Compatible with both Mac and Windows
  • Connects via USB-C
  • Features N-key rollover
  • Includes screw-in stabilizers
  • Uses a PCB Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Made with a Aluminum case
  • Features PC keycaps
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 69.5
  • Build Quality: 75.8
  • Productivity: 81.4
  • Customizability: 88.8
  • Portability: 68.9
Scores
  • Performance: 81.5
  • Build Quality: 84.8
  • Productivity: 94.8
  • Customizability: 92.5
  • Portability: 79.8
Name
Keychron J4
Name
Keychron K2 V3
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
75%
Layout Standard
ANSI
Layout Standard
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
1000 Hz
Battery capacity
4000 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
PCB Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, North-face
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
-
Case Material
Aluminum
Keycaps Material
PBT
Keycaps Material
PC
Dimensions
-
Dimensions
-
Weight
-
Weight
-
*Something incorrect or missing? Please
let me know
!

Discover similar products

You might also like similar products in that price range:

97
$42
Keychron V1 QMK Custom Mechanical Keyboard
Keychron V1
75%,
Hotswap,
Wired,
RGB/ White LEDs,
Knob,
VIA,
QMK,
Tray Mount

92
$93
Keychron K2 Max QMK Wireless Mechanical Keyboard ISO Layout Collection
Keychron K2 Max
75%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
PCB Mount

97
$54
Keychron V3 QMK Custom Mechanical Keyboard ISO Layout Collection
Keychron V3
80%,
Hotswap,
Wired,
RGB/ White LEDs,
Knob,
VIA,
QMK,
Tray Mount

-12% off
94
$67$59
Keychron K2 Pro QMK/VIA Wireless Mechanical Keyboard
Keychron K2 Pro
75%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

94
$55
Keychron K8 Pro QMK/VIA Wireless Mechanical Keyboard
Keychron K8 Pro
80%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

93
$119
Keychron K2 Ultra 8K Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K2 Ultra
75%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
Knob,
VIA,
QMK,
Alu case,
Gasket Mount

91
$42
Keychron V2 QMK Custom Mechanical Keyboard ISO Layout Collection
Keychron V2
65%,
Hotswap,
Wired,
RGB,
Knob,
VIA,
QMK,
Tray Mount

-19% off
75
$59$48
Keychron K2 Wireless Mechanical Keyboard (Version 2)
Keychron K2 V2
75%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
Alu case,
Tray Mount

98
$44
Keychron V6 QMK Custom Mechanical Keyboard ISO Layout Collection
Keychron V6
100%,
Hotswap,
Wired,
RGB/ White LEDs,
Knob,
VIA,
QMK,
Tray Mount

-30% off
84
$94$66
Keychron K3 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3
Keychron K3 V3
75%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Top Mount