Keychron J4 vs Royal Kludge M87
Get the Royal Kludge M87 for the 7,500 mAh battery and knob.
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Which one should you get?
Get the
Keychron J4
Build quality in the top 30% of 80% boards under $100.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
Get the
Royal Kludge M87
Battery
Build quality in the top 35% of 80% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
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 M87
Battery
4,000 mAh
7,500 mAh
A larger battery means fewer cables during the day
Switch options
Clicky, Linear, Tactile
Linear
Knob
No
Yes
Display
None
LCD
A case display rather than a typing feature
Weight
870 g
840 g
Heavier boards stay planted and lighter ones travel
- Keychron J4
- Royal Kludge M87
- Performance
- 8265
- Build quality
- 7168
- Productivity
- 8983
- Customizability
- 8978
- Portability
- 7385
- Layout size: 80%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Sound dampening
- Keycaps: PBT
Keychron J4 vs Royal Kludge M87 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 26 specs differ
Keychron J4
Royal Kludge M87
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
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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