Jamesdonkey RS2 4.0 vs Keychron K3
Get the Jamesdonkey RS2 4.0 for the 4,000 mAh battery.
The differences that matter
Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.
Jamesdonkey RS2 4.0
Keychron K3
Layout size
96%
75%
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Battery
4,000 mAh
1,550 mAh
Low profile
No
Yes
Case material
Aluminum
ABS, Aluminum
- Jamesdonkey RS2 4.0
- Keychron K3
- Performance
- 5864
- Build quality
- 7161
- Productivity
- 9365
- Customizability
- 8269
- Portability
- 5380
- Hot-swappable
Jamesdonkey RS2 4.0 vs Keychron K3 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
14 of 24 specs differ
Jamesdonkey RS2 4.0
Keychron K3
Switch options
Hot-swappable
Mount style
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
Mac & Windows
Released
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