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Head to head · Prices checked Nov 11, 2026

Weikav Stars21 Programmable Numpad vs Yunzii YZ21

Get the Weikav Stars21 Programmable Numpad for qmk and via. Get the Yunzii YZ21 for the 1,500 mAh battery.

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Quick verdict

Which one should you get?

Get the

Weikav Stars21 Programmable Numpad

QMK

Build quality in the top 10% of Numpad boards under $100.

Get the

Yunzii YZ21

Battery

Build quality in the bottom 40% of Numpad boards under $50.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

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 YZ21

  • Battery

    800 mAh

    1,500 mAh

    A larger battery means fewer cables during the day

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Backlight

    RGB

    RGB, north-facing

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • Weikav Stars21 Programmable Numpad
  • Yunzii YZ21
Performance
75
73
Build quality
84
53
Productivity
56
59
Customizability
89
69
Portability
77
85

What they share

  • Layout size: Numpad
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
See every spec side by side

Full specs

Weikav Stars21 Programmable Numpad vs Yunzii YZ21 specs

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

7 of 20 specs differ

Weikav Stars21 Programmable Numpad

Yunzii YZ21

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

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

Build & materials

Case material

Aluminum
—

Keycaps

—
PBT

Weight

480 g
—

Dimensions

18 x 130 x 95 mm
—

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2025
2022

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 YZ212 stores

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