Redragon CASTOR K631 Pro vs Keychron K12
Get the Keychron K12 for the 4,000 mAh battery.
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
Keychron K12
Layout size
65%
60%
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Battery
1,600 mAh
4,000 mAh
Case material
Plastic
ABS, Aluminum, Plastic
Switch options
Linear
Clicky, Linear, Tactile
- Redragon CASTOR K631 Pro
- Keychron K12
- Performance
- 7258
- Build quality
- 5774
- Productivity
- 5469
- Customizability
- 5874
- Portability
- 8590
- Hot-swappable
- Keycaps: ABS
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Redragon CASTOR K631 Pro
No owner reviews collected yet.
Keychron K12
192 owner reviews
“I have recently bought a Keychron K12, and I'm really satisfied with it. You can say that the build quality is high, and I love the sound of the switches.”
“Bought this in December 2023. The good first: - the typing experience is genuinely fantastic. The plastic case creates this resonant, almost bass-cabinet effect that makes every keystroke satisfying. - Gateron G Pro Red switches are solid as always. For pure…”
Redragon CASTOR K631 Pro vs Keychron K12 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 21 specs differ
Redragon CASTOR K631 Pro
Keychron K12
Switch options
Hot-swappable
Mount style
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
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