Keychron J4 vs Royal Kludge R87 PRO
Get the Royal Kludge R87 PRO 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
Royal Kludge R87 PRO
Battery
4,000 mAh
6,000 mAh
Switch options
Clicky, Linear, Tactile
Linear
Knob
No
Yes
Backlight
RGB, north-facing
RGB, south-facing
N-key rollover
No
Yes
- Keychron J4
- Royal Kludge R87 PRO
- Performance
- 7083
- Build quality
- 7178
- Productivity
- 7493
- Customizability
- 8691
- Portability
- 6685
- Layout size: 80%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- QMK
- VIA
- Sound dampening
Keychron J4 vs Royal Kludge R87 PRO specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
8 of 25 specs differ
Keychron J4
Royal Kludge R87 PRO
Switch options
Hot-swappable
Mount style
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
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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