Jamesdonkey A3 vs Keychron J2 HE
Get the Jamesdonkey A3 for knob. Get the Keychron J2 HE for hall effect.
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.
Jamesdonkey A3
Keychron J2 HE
Hall effect (magnetic)
No
Yes
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Case material
ABS, PBT, Plastic, Polycarbonate
Plastic
Knob
Yes
No
Weight
1,000 g
780 g
- Jamesdonkey A3
- Keychron J2 HE
- Performance
- 6289
- Build quality
- 6683
- Productivity
- 9188
- Customizability
- 8589
- Portability
- 7960
- Layout size: 75%
- Hot-swappable
- Switch options: Clicky, Linear, Tactile
- Mount style: Gasket Mount
- Sound dampening
- Keycaps: PBT
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Jamesdonkey A3
No owner reviews collected yet.
Keychron J2 HE
2 owner reviews
“Worked perfectly, best keyboard I've ever owned. For one hour. After that all RGB turned off, and the main function of the keyboard (Typing), no longer works. I can't type with it, the web launcher doesn't detect it either, just don't waste your money.”
Jamesdonkey A3 vs Keychron J2 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 28 specs differ
Jamesdonkey A3
Keychron J2 HE
Switch options
Hall effect (magnetic)
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
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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