Keychron J4 vs Royal Kludge S98 ES
Get the Keychron J4 for the 4,000 mAh battery. Get the Royal Kludge S98 ES for knob.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Which one should you get?
Get the
Keychron J4
Battery
Build quality in the top 25% of 80% boards under $100.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- No numpad.
Get the
Royal Kludge S98 ES
Knob
Build quality in the top 45% of 96% boards under $150.
- Compact full-size layout. The numpad is present, the gaps of a full-size board are not.
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 S98 ES
Layout size
80%
96%
Battery
4,000 mAh
3,750 mAh
A larger battery means fewer cables during the day
Knob
No
Yes
Display
None
LCD
A case display rather than a typing feature
Weight
870 g
1,879 g
Heavier boards stay planted and lighter ones travel
- Keychron J4
- Royal Kludge S98 ES
- Performance
- 8278
- Build quality
- 7270
- Productivity
- 9091
- Customizability
- 8979
- Portability
- 7356
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Sound dampening
Keychron J4 vs Royal Kludge S98 ES specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 28 specs differ
Keychron J4
Royal Kludge S98 ES
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB passthrough
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Lowest price across stores, Amazon excluded.
- Check on Amazon
Amazon
Check price
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.