Keychron J4 vs Yunzii Y87
Get the Keychron J4 for the 4,000 mAh battery and qmk. Get the Yunzii Y87 for knob.
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Which one should you get?
Get the
Keychron J4
Battery
Build quality in the top 30% of 80% boards under $100.
- 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.
Keychron J4
Yunzii Y87
Battery
4,000 mAh
3,000 mAh
A larger battery means fewer cables during the day
Case material
ABS
Aluminum
Knob
No
Yes
QMK
Yes
No
The deep option when you want to remap every key
VIA
Yes
No
GUI remapping without compiling firmware
- Keychron J4
- Yunzii Y87
- Performance
- 8280
- Build quality
- 7164
- Productivity
- 8985
- Customizability
- 8969
- Portability
- 7373
- Layout size: 80%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Sound dampening
- Keycaps: PBT
Keychron J4 vs Yunzii Y87 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
8 of 25 specs differ
Keychron J4
Yunzii Y87
Switch options
Hot-swappable
Sound dampening
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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