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Head to head · Prices checked Oct 21, 2026

Weikav Stars21 Programmable Numpad vs Yunzii AL21

Get the Weikav Stars21 Programmable Numpad for qmk and via. Get the Yunzii AL21 for the 1,500 mAh battery and knob.

[In Stock] Stars21 Programmable Mechanical Numpad

QMK

Weikav Stars21 Programmable Numpad

from$54at Velocifire

Shop nowSee all prices
YUNZII AL21 Wireless Aluminum Mechanical Numpad Keyboard

Battery

Yunzii AL21

from$49at Yunzii

90-day low

Shop nowSee all prices

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.

Weikav Stars21 Programmable Numpad

Yunzii AL21

  • Battery

    800 mAh

    1,500 mAh

  • Knob

    No

    Yes

  • Weight

    480 g

    458 g

  • QMK

    Yes

    No

  • VIA

    Yes

    No

KeebFinder scores

How we score
  • Weikav Stars21 Programmable Numpad
  • Yunzii AL21
Performance
76
76
Build quality
84
77
Productivity
57
84
Customizability
89
75
Portability
78
88

What they share

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

Full specs

Weikav Stars21 Programmable Numpad vs Yunzii AL21 specs

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

11 of 23 specs differ

Weikav Stars21 Programmable Numpad

Yunzii AL21

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
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

Max polling rate

1,000 Hz
—

Battery

800 mAh
1,500 mAhBetter

USB-C

No
Yes

Build & materials

Case material

Aluminum
Aluminum

Keycaps

—
PBT

Weight

480 g
458 g

Dimensions

18 x 130 x 95 mm
44 x 136 x 91 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2025
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

Weikav Stars21 Programmable Numpad2 stores

  • VelocifireCN

    In stock
    $54Visit

  • AmazonGlobal

    Check price
    ~$54Visit
Yunzii AL212 stores

  • YunziiCN

    In stock
    $49Visit

  • AmazonGlobal

    Check price
    Visit

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