Redragon CASTOR K631 HE vs SPHINX K503
Get the Redragon CASTOR K631 HE for hall effect and rapid trigger.
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 HE
Redragon SPHINX K503
Layout size
65%
100%
Hall effect (magnetic)
Yes
No
Rapid trigger
Yes
No
Weight
638 g
1,000 g
Layout standard
ANSI
ISO, ISO-FR
- Redragon CASTOR K631 HE
- Redragon SPHINX K503
- Performance
- 9276
- Build quality
- 4343
- Productivity
- 4950
- Customizability
- 4748
- Portability
- 6641
- Connection: Wired
Redragon CASTOR K631 HE vs SPHINX K503 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 16 specs differ
Redragon CASTOR K631 HE
Redragon SPHINX K503
Switch options
Hall effect (magnetic)
Rapid trigger
Layout size
Layout standard
Ergonomics
Display
Connection
Max polling rate
USB-C
Case material
Weight
Dimensions
Backlight
N-key rollover
Released
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