Keychron J4 QMK vs Keydous NJ80 CP V2 HE
Get the Keychron J4 QMK for hot-swappable. Get the Keydous NJ80 CP V2 HE for hall effect and rapid trigger.
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.
Keychron J4 QMK
Keydous NJ80 CP V2 HE
Hall effect (magnetic)
No
Yes
Rapid trigger
No
Yes
Hot-swappable
Yes
No
Battery
4,000 mAh
4,800 mAh
Case material
ABS
Aluminum
- Keychron J4 QMK
- Keydous NJ80 CP V2 HE
- Performance
- 7978
- Build quality
- 6143
- Productivity
- 8451
- Customizability
- 7450
- Portability
- 7365
- Layout size: 80%
- Connection: Bluetooth, 2.4 GHz, Wired
- Keycaps: PBT
Keychron J4 QMK vs Keydous NJ80 CP V2 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
14 of 25 specs differ
Keychron J4 QMK
Keydous NJ80 CP V2 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
N-key rollover
Mac & Windows
Released
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