Jamesdonkey RS2 4.0 vs Keychron K4 Max
Get the Jamesdonkey RS2 4.0 for knob.
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 K4 Max
Case material
Aluminum
ABS
Switch options
Linear
Clicky, Linear, Tactile
Mount style
Gasket Mount
PCB Mount
Knob
Yes
No
Weight
1,150 g
1,290 g
- Jamesdonkey RS2 4.0
- Keychron K4 Max
- Performance
- 5882
- Build quality
- 7180
- Productivity
- 9389
- Customizability
- 8292
- Portability
- 5351
- Layout size: 96%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Battery: 4,000 mAh
- QMK
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Jamesdonkey RS2 4.0
No owner reviews collected yet.
Keychron K4 Max
1 owner reviews
Jamesdonkey RS2 4.0 vs Keychron K4 Max specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 27 specs differ
Jamesdonkey RS2 4.0
Keychron K4 Max
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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