zFrontier Smurve80 vs Keychron J4
Get the zFrontier Smurve80 for the 8,000 mAh battery. Get the Keychron J4 for qmk and via.
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![[In Stock] Smurve80 Mechanical Keyboard](https://cdn.shopify.com/s/files/1/1674/0405/files/14_8fb1b38c-fffa-455d-8c3c-c268040d5fce.png?v=1780976653&width=3840&quality=75)
Which one should you get?
Get the
zFrontier Smurve80
Battery
Build quality in the bottom 45% of 80% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Get the
Keychron J4
QMK
Build quality in the top 30% of 80% boards under $100.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
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.
zFrontier Smurve80
Keychron J4
Battery
8,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Weight
1,384 g
870 g
Heavier boards stay planted and lighter ones travel
QMK
No
Yes
The deep option when you want to remap every key
VIA
No
Yes
GUI remapping without compiling firmware
Plate material
Aluminum
Steel
- zFrontier Smurve80
- Keychron J4
- Performance
- 7482
- Build quality
- 6071
- Productivity
- 7689
- Customizability
- 5989
- Portability
- 8573
- Layout size: 80%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Max polling rate: 1,000 Hz
- Case material: ABS
- Sound dampening
zFrontier Smurve80 vs Keychron J4 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 25 specs differ
zFrontier Smurve80
Keychron J4
Switch options
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
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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