Ajazz AK820 Pro vs Keychron J2
Get the Ajazz AK820 Pro for the 4,000 mAh battery and knob. Get the Keychron J2 for qmk.
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.
Ajazz AK820 Pro
Keychron J2
Battery
4,000 mAh
3,750 mAh
Switch options
Linear
Clicky, Linear, Tactile
Knob
Yes
No
Display
TFT
None
QMK
No
Yes
- Ajazz AK820 Pro
- Keychron J2
- Performance
- 6170
- Build quality
- 6671
- Productivity
- 8274
- Customizability
- 7286
- Portability
- 7973
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Sound dampening
- Keycaps: PBT
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Ajazz AK820 Pro
256 owner reviews
“It's a nice keyboard, has a nice sound when typing. I like the dedicated volume know and it's easy to load gifs onto the little screen using the ajazz software”
“So recently i started to notice my w key stop completely and have to press again and again for the input, please can you assist me in this matter”
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.”
Ajazz AK820 Pro vs Keychron J2 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 25 specs differ
Ajazz AK820 Pro
Keychron J2
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
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
Live prices from the stores we track, cheapest in-stock offer first.
Lowest price across stores, Amazon excluded.
Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.