Jamesdonkey RS2 4.0 vs Keychron J3 SE
Get the Jamesdonkey RS2 4.0 for knob. Get the Keychron J3 SE for via.
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No reviews
from$99at Mechkeys
5.0 · 1 reviews
from$129at Keychron
Which one should you get?
Get the
Keychron J3 SE
VIA
Build quality in the top 50% of 96% boards under $150.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
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 J3 SE
Case material
Aluminum
ABS
Switch options
Linear
Clicky, Linear, Tactile
Knob
Yes
No
Weight
1,150 g
1,145 g
Heavier boards stay planted and lighter ones travel
VIA
No
Yes
GUI remapping without compiling firmware
- Jamesdonkey RS2 4.0
- Keychron J3 SE
- Performance
- 5880
- Build quality
- 7168
- Productivity
- 9389
- Customizability
- 8286
- Portability
- 5357
- Layout size: 96%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Battery: 4,000 mAh
- QMK
- Sound dampening
Jamesdonkey RS2 4.0 vs Keychron J3 SE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 24 specs differ
Jamesdonkey RS2 4.0
Keychron J3 SE
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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