Royal Kludge F99 vs Jamesdonkey RS2 4.0
Get the Royal Kludge F99 for the 5,000 mAh battery. Get the Jamesdonkey RS2 4.0 for knob and qmk.
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Which one should you get?
Get the
Royal Kludge F99
Battery
Build quality in the bottom 45% of 96% 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.
Royal Kludge F99
Jamesdonkey RS2 4.0
Battery
5,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Switch options
Linear, Silent, Tactile
Linear
Knob
No
Yes
Weight
700 g
1,150 g
Heavier boards stay planted and lighter ones travel
QMK
No
Yes
The deep option when you want to remap every key
- Royal Kludge F99
- Jamesdonkey RS2 4.0
- Performance
- 6157
- Build quality
- 6070
- Productivity
- 7693
- Customizability
- 5982
- Portability
- 5453
- Layout size: 96%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Mount style: Gasket Mount
- Sound dampening
- Keycaps: PBT
Royal Kludge F99 vs Jamesdonkey RS2 4.0 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 22 specs differ
Royal Kludge F99
Jamesdonkey RS2 4.0
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Battery
USB passthrough
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
QMK
Mac & Windows
Released
Compare prices
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