Jamesdonkey S2 vs Keychron B4 Pro
Get the Jamesdonkey S2 for the 3,000 mAh battery and sound dampening.
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Which one should you get?
Get the
Jamesdonkey S2
Battery
Build quality in the bottom 30% of 96% boards under $100.
- Switches are soldered. Swapping them means soldering.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
Get the
Keychron B4 Pro
Build quality in the bottom 10% of 96% boards under $100.
- Switches are soldered. Swapping them means soldering.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
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 S2
Keychron B4 Pro
Battery
3,000 mAh
800 mAh
A larger battery means fewer cables during the day
Case material
Aluminum
ABS
Switch options
Tactile
Clicky, Linear, Tactile
Weight
600 g
495 g
Heavier boards stay planted and lighter ones travel
Sound dampening
Yes
No
- Jamesdonkey S2
- Keychron B4 Pro
- Performance
- 5151
- Build quality
- 5543
- Productivity
- 6071
- Customizability
- 4643
- Portability
- 4952
- Layout size: 96%
- Connection: Bluetooth, 2.4 GHz, Wired
- Low profile
Jamesdonkey S2 vs Keychron B4 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 19 specs differ
Jamesdonkey S2
Keychron B4 Pro
Switch options
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Connection
Max polling rate
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Typing angle
Backlight
Mac & Windows
Released
Compare prices
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