Keychron B4 Pro vs Yunzii L75
Get the Yunzii L75 for hot-swappable and the 2,200 mAh battery.
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Which one should you get?
Get the
Keychron B4 Pro
Build quality in the bottom 10% of 96% boards under $100.
- Switches are soldered. Swapping them means soldering.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- Compact full-size layout. The numpad is present, the gaps of a full-size board are not.
Get the
Yunzii L75
Hot-swappable
Build quality in the bottom 35% of 75% boards under $100.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No numpad.
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 B4 Pro
Yunzii L75
Layout size
96%
75%
Hot-swappable
No
Yes
Switch changes without soldering
Battery
800 mAh
2,200 mAh
A larger battery means fewer cables during the day
Case material
ABS
Aluminum
Switch options
Clicky, Linear, Tactile
Linear
- Keychron B4 Pro
- Yunzii L75
- Performance
- 5158
- Build quality
- 4357
- Productivity
- 7165
- Customizability
- 4360
- Portability
- 5276
- Connection: Bluetooth, 2.4 GHz, Wired
- Low profile
Keychron B4 Pro vs Yunzii L75 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
13 of 22 specs differ
Keychron B4 Pro
Yunzii L75
Switch options
Hot-swappable
Mount style
Low profile
Sound dampening
Layout size
Layout standard
Ergonomics
Display
Connection
Max polling rate
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Typing angle
Backlight
N-key rollover
Mac & Windows
Released
Compare prices
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Lowest price across stores, Amazon excluded.
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