Keychron J4 QMK vs Redragon URANUS K737 Pro
Get the Keychron J4 QMK for qmk. Get the Redragon URANUS K737 Pro for screw-in stabilizers.
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
Redragon URANUS K737 Pro
Case material
ABS
Aluminum
Weight
870 g
2,020 g
QMK
Yes
No
Screw-in stabilizers
No
Yes
Backlight
RGB, north-facing
RGB, south-facing
- Keychron J4 QMK
- Redragon URANUS K737 Pro
- Performance
- 7977
- Build quality
- 6178
- Productivity
- 8488
- Customizability
- 7470
- Portability
- 7372
- Layout size: 80%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Max polling rate: 1,000 Hz
- Sound dampening
- Keycaps: PBT
Keychron J4 QMK vs Redragon URANUS K737 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
6 of 24 specs differ
Keychron J4 QMK
Redragon URANUS K737 Pro
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
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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