Keychron J4 QMK vs Ktechs Stars80
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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
Ktechs Stars80
Case material
ABS
Aluminum
Weight
870 g
1,850 g
VIA
No
Yes
Plate material
Steel
FR4
Backlight
RGB, north-facing
RGB
- Keychron J4 QMK
- Ktechs Stars80
- Performance
- 7976
- Build quality
- 6181
- Productivity
- 8474
- Customizability
- 7492
- Portability
- 7360
- Layout size: 80%
- Hot-swappable
- QMK
- Sound dampening
Keychron J4 QMK vs Ktechs Stars80 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
8 of 23 specs differ
Keychron J4 QMK
Ktechs Stars80
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
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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