Fl·esports X80 vs Keychron J4
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Which one should you get?
Get the
Keychron J4
QMK
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.
Fl·esports X80
Keychron J4
QMK
No
Yes
The deep option when you want to remap every key
VIA
No
Yes
GUI remapping without compiling firmware
Plate material
FR4, POM
Steel
Backlight
RGB
RGB, north-facing
RGB for looks and low light rather than speed
Media keys
No
Yes
- Fl·esports X80
- Keychron J4
- Performance
- 5882
- Build quality
- 5271
- Productivity
- 6689
- Customizability
- 7489
- Portability
- 6973
- Layout size: 80%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Battery: 4,000 mAh
- Sound dampening
Fl·esports X80 vs Keychron J4 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 25 specs differ
Fl·esports X80
Keychron J4
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
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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