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

Compare Jamesdonkey James Donkey RS2 V2 vs Keychron K4 V3 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Jamesdonkey James Donkey RS2 V2 and Keychron K4 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.

71
JAMESDONKEY RS2 Rosy RGB Mechanical Keyboard
-30% off
92
Keychron K4 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3

Select a keyboard to compare

0.0 (0)
5.0 (4)
  • Released in 2022
  • Built with the ANSI layout standard
  • Comes with a knob
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 3000 mAh battery
  • Weighs about 950 g
  • Made with a ABS, Polycarbonate case
  • Features PBT keycaps
  • Offers Yes, Rgb RGB lighting
  • Released in 2025
  • Has Linear, Tactile, Clicky switch options
  • Built with the ISO, ISO-UK, ISO-DE, ISO-CH, ISO-Nordic, ANSI layout standard
  • Supports QMK firmware
  • Supports VIA configuration
  • Includes screw-in stabilizers
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 4000 mAh battery
  • Made with a Plastic case
  • Features PC, PBT keycaps
  • Offers Yes, Rgb, White, South-face, Rgb South-face, White South-face, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 64.2
  • Build Quality: 56.3
  • Productivity: 85.5
  • Customizability: 83
  • Portability: 55.4
Scores
  • Performance: 81.4
  • Build Quality: 83.8
  • Productivity: 94.6
  • Customizability: 97.3
  • Portability: 53.7
Name
Jamesdonkey James Donkey RS2 V2
Name
Keychron K4 V3
Release year
2022
Release year
2025
Switch Options
-
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
96%
Layout Size
96%
Layout Standard
ANSI
Layout Standard
ISO, ISO-UK, ISO-DE, ISO-CH, ISO-Nordic, 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
-
Polling Rate
1000 Hz
Battery capacity
3000 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
Gasket Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb
Backlight
 
Rgb, White, South-face, White South-face, North-face
Case Colors
Case Colors
Case Material
ABS, Polycarbonate
Case Material
Plastic
Keycaps Material
PBT
Keycaps Material
PC, PBT
Dimensions
-
Dimensions
-
Weight
950g
Weight
-
*Something incorrect or missing? Please
let me know
!

Discover similar products

You might also like similar products in that price range:

-11% off
96
$89$79
Keychron V6 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V6 Max
100%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

-14% off
92
$69$59
Keychron K4 Pro QMK/VIA Wireless Mechanical Keyboard
Keychron K4 Pro
96%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Tray Mount

-20% off
98
$99$79
Keychron V5 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V5 Max
96%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket Mount

-30% off
94
$84$59
Keychron K10 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 2
Keychron K10 V2
100%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

-20% off
95
$94$75
Keychron V3 Max QMK Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron V3 Max
80%,
Hotswap,
Wireless,
Wired,
RGB,
Knob,
VIA,
QMK,
Gasket 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

-22% off
94
$79$62
Keychron K10 Pro QMK/VIA Wireless Mechanical Keyboard ISO Layout Collection
Keychron K10 Pro
100%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Tray Mount

96
$54
Keychron V3 QMK Custom Mechanical Keyboard ISO Layout Collection
Keychron V3
80%,
Hotswap,
Wired,
RGB/ White LEDs,
Knob,
VIA,
QMK,
Tray Mount

87
$69
Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection
Keychron K5 Pro
100%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
Tray Mount

-30% off
85
$99$69
Keychron K5 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 2
Keychron K5 QMK V2
100%,
Hotswap,
Wireless,
Wired,
RGB/ White LEDs,
VIA,
QMK,
Alu case,
PCB Mount