Keychron J4 QMK vs Yunzii AL80
Get the Yunzii AL80 for the 6,000 mAh battery and 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.
Keychron J4 QMK
Yunzii AL80
Layout size
80%
75%
Battery
4,000 mAh
6,000 mAh
Case material
ABS
Aluminum
Knob
No
Yes
Display
None
LCD
- Keychron J4 QMK
- Yunzii AL80
- Performance
- 7970
- Build quality
- 6179
- Productivity
- 8493
- Customizability
- 7491
- Portability
- 7392
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Max polling rate: 1,000 Hz
- QMK
- Sound dampening
- Keycaps: PBT
Keychron J4 QMK vs Yunzii AL80 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 25 specs differ
Keychron J4 QMK
Yunzii AL80
Switch options
Hot-swappable
Mount style
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
VIA
N-key rollover
Mac & Windows
Released
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