Keychron B31 vs J2 HE
Get the Keychron J2 HE for hall effect and hot-swappable.
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from$34at MK
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1.0 (2)1.0 · 2 reviews
from$99at Keychron
Which one should you get?
Get the
Keychron B31
Build quality in the bottom 20% of 75% boards under $50.
- Switches are soldered. Swapping them means soldering.
Get the
Keychron J2 HE
Hall effect
Build quality in the top 10% of 75% boards under $100.
- Magnetic switches only. Standard MX switches will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
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 B31
Keychron J2 HE
Hall effect (magnetic)
No
Yes
Adjustable actuation helps in games and not in normal typing
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Wireless for several devices and wired for lower latency
Hot-swappable
No
Yes
Switch changes without soldering
Max polling rate
1,000 Hz
8,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Case material
ABS, Plastic
Plastic
- Keychron B31
- Keychron J2 HE
- Performance
- 5989
- Build quality
- 5283
- Productivity
- 6987
- Customizability
- 4789
- Portability
- 7861
- Layout size: 75%
- Switch options: Clicky, Linear, Tactile
Keychron B31 vs J2 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
17 of 27 specs differ
Keychron B31
Keychron J2 HE
Switch options
Hall effect (magnetic)
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
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