Keychron B4 Pro vs Royal Kludge S98 ES
Get the Royal Kludge S98 ES for hot-swappable and the 3,750 mAh battery.
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Which one should you get?
Get the
Keychron B4 Pro
Build quality in the bottom 10% of 96% boards under $100.
- Switches are soldered. Swapping them means soldering.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
Get the
Royal Kludge S98 ES
Hot-swappable
Build quality in the top 45% of 96% boards under $150.
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 B4 Pro
Royal Kludge S98 ES
Hot-swappable
No
Yes
Switch changes without soldering
Battery
800 mAh
3,750 mAh
A larger battery means fewer cables during the day
Low profile
Yes
No
Knob
No
Yes
Display
None
LCD
A case display rather than a typing feature
- Keychron B4 Pro
- Royal Kludge S98 ES
- Performance
- 5178
- Build quality
- 4370
- Productivity
- 7091
- Customizability
- 4379
- Portability
- 5256
- Layout size: 96%
- Connection: Bluetooth, 2.4 GHz, Wired
- Keycaps: ABS
Keychron B4 Pro vs Royal Kludge S98 ES specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 25 specs differ
Keychron B4 Pro
Royal Kludge S98 ES
Switch options
Hot-swappable
Mount style
Low profile
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB passthrough
USB-C
Case material
Keycaps
Weight
Dimensions
Typing angle
Backlight
N-key rollover
Mac & Windows
Released
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