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Head to head · Prices checked Nov 10, 2026

zFrontier Soso pad Numpad vs Yunzii AL21

Get the zFrontier Soso pad Numpad for via. Get the Yunzii AL21 for the 1,500 mAh battery and knob.

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Quick verdict

Which one should you get?

Get the

zFrontier Soso pad Numpad

VIA

Build quality in the top 30% of Numpad boards under $100.

Get the

Yunzii AL21

Battery

Build quality in the top 10% of Numpad boards under $50.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

What actually differs

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 Soso pad Numpad

Yunzii AL21

  • Battery

    700 mAh

    1,500 mAh

    A larger battery means fewer cables during the day

  • Switch options

    Linear, Tactile

    Linear

  • Knob

    No

    Yes

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Backlight

    None

    RGB, south-facing

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • zFrontier Soso pad Numpad
  • Yunzii AL21
Performance
46
75
Build quality
77
77
Productivity
62
84
Customizability
53
74
Portability
82
89

What they share

  • Layout size: Numpad
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

zFrontier Soso pad Numpad vs Yunzii AL21 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

7 of 23 specs differ

zFrontier Soso pad Numpad

Yunzii AL21

Typing & switches

Switch options

Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
—

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

700 mAh
1,500 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

FR4
—

Keycaps

—
PBT

Weight

—
458 g

Dimensions

—
44 x 136 x 91 mm

Typing angle

7°
—

Backlight

None
RGB, south-facing

Firmware & software

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2026

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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.

Lowest price across stores, Amazon excluded.

Yunzii AL212 stores

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