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 AK35I V4
Keychron J5 QMK
Battery
10,000 mAh
3,750 mAh
Knob
Yes
No
Display
TFT
None
QMK
No
Yes
Sound dampening
No
Yes
- Ajazz AK35I V4
- Keychron J5 QMK
- Performance
- 6978
- Build quality
- 6661
- Productivity
- 7484
- Customizability
- 8075
- Portability
- 6857
- Layout size: 100%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Case material: ABS
Ajazz AK35I V4 vs Keychron J5 QMK specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
8 of 24 specs differ
Ajazz AK35I V4
Keychron J5 QMK
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
Typing angle
Backlight
QMK
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.













