MMD KM21 Ultra vs Yunzii YZ19
Get the MMD KM21 Ultra for qmk and via. Get the Yunzii YZ19 for the 1,500 mAh battery.
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Which one should you get?
Get the
Yunzii YZ19
Battery
Build quality in the top 40% of Numpad boards under $50.
- 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.
MMD KM21 Ultra
Yunzii YZ19
Battery
980 mAh
1,500 mAh
A larger battery means fewer cables during the day
Mount style
Top Mount
Gasket Mount
QMK
Yes
No
The deep option when you want to remap every key
VIA
Yes
No
GUI remapping without compiling firmware
Sound dampening
Yes
No
- MMD KM21 Ultra
- Yunzii YZ19
- Performance
- 6775
- Build quality
- 8266
- Productivity
- 8965
- Customizability
- 8974
- Portability
- 8684
- Layout size: Numpad
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Knob
MMD KM21 Ultra vs Yunzii YZ19 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 23 specs differ
MMD KM21 Ultra
Yunzii YZ19
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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