Keychron J2 vs Yunzii B75 Pro
Get the Keychron J2 for qmk and via. Get the Yunzii B75 Pro for the 4,000 mAh battery and the 4,000 Hz polling rate.
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4.4 (22)4.4 · 22 reviews
from$59at Keychron
No reviews
from$79at Yunzii
Which one should you get?
Get the
Keychron J2
QMK
Build quality in the top 40% of 75% boards under $100.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Get the
Yunzii B75 Pro
Battery
Build quality in the bottom 40% of 75% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
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 J2
Yunzii B75 Pro
Battery
3,750 mAh
4,000 mAh
A larger battery means fewer cables during the day
Max polling rate
1,000 Hz
4,000 Hz
Higher polling helps competitive FPS and does nothing for typing
Knob
No
Yes
QMK
Yes
No
The deep option when you want to remap every key
VIA
Yes
No
GUI remapping without compiling firmware
- Keychron J2
- Yunzii B75 Pro
- Performance
- 7075
- Build quality
- 7160
- Productivity
- 7391
- Customizability
- 8678
- Portability
- 7380
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Switch options: Clicky, Linear, Tactile
- Sound dampening
Keychron J2 vs Yunzii B75 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 26 specs differ
Keychron J2
Yunzii B75 Pro
Switch options
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
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Keychron J2
No ISO layout at the stores we track.
Yunzii B75 Pro
Yunzii
ISO
In stockShips to you
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
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Lowest price across stores, Amazon excluded.
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