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.
AULA HERO84
Keychron J2
Hall effect (magnetic)
Yes
No
Connection
Wired
Bluetooth, 2.4 GHz, Wired
Max polling rate
8,000 Hz
1,000 Hz
Switch options
Magnetic
Clicky, Linear, Tactile
QMK
No
Yes
- AULA HERO84
- Keychron J2
- Performance
- 9170
- Build quality
- 5771
- Productivity
- 7674
- Customizability
- 5886
- Portability
- 6373
- Layout size: 75%
- Hot-swappable
- Sound dampening
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
AULA HERO84
No owner reviews collected yet.
Keychron J2
11 owner reviews
“I absolutely love this keyboard. It sounds amazing and the red switches are so smooth in feel. The colours are also great.”
“The keyboard is nice, but it took over 3 weeks of shipping to arrive. On their website it says they deliver in a week or under to the US.”
AULA HERO84 vs Keychron J2 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 25 specs differ
AULA HERO84
Keychron J2
Switch options
Hall effect (magnetic)
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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