Redragon CASTOR K631 Pro vs Royal Kludge RK68
Get the Redragon CASTOR K631 Pro for the 1,600 mAh battery. Get the Royal Kludge RK68 for sound dampening.
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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.
Redragon CASTOR K631 Pro
Royal Kludge RK68
Battery
1,600 mAh
1,450 mAh
A larger battery means fewer cables during the day
Switch options
Linear
Clicky, Linear, Silent, Tactile
Weight
470 g
600 g
Heavier boards stay planted and lighter ones travel
Sound dampening
No
Yes
Keycaps
ABS
ABS, PBT
- Redragon CASTOR K631 Pro
- Royal Kludge RK68
- Performance
- 7255
- Build quality
- 5750
- Productivity
- 5470
- Customizability
- 5859
- Portability
- 8486
- Layout size: 65%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Case material: Plastic
Redragon CASTOR K631 Pro vs Royal Kludge RK68 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 19 specs differ
Redragon CASTOR K631 Pro
Royal Kludge RK68
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Connection
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
Compare prices
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