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Head to head · Prices checked Oct 21, 2026

Weikav Stars21 Programmable Numpad vs Sikakeyb SK3 Mountain City

Get the Weikav Stars21 Programmable Numpad for qmk and via. Get the Sikakeyb SK3 Mountain City for the 1,900 mAh battery and mac & windows.

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

Sikakeyb SK3 Mountain City

  • Battery

    800 mAh

    1,900 mAh

  • QMK

    Yes

    No

  • VIA

    Yes

    No

  • N-key rollover

    Yes

    No

  • Mac & Windows

    No

    Yes

KeebFinder scores

How we score
  • Weikav Stars21 Programmable Numpad
  • Sikakeyb SK3 Mountain City
Performance
76
45
Build quality
84
61
Productivity
57
51
Customizability
89
76
Portability
78
84

What they share

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

Full specs

Weikav Stars21 Programmable Numpad vs Sikakeyb SK3 Mountain City specs

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

6 of 19 specs differ

Weikav Stars21 Programmable Numpad

Sikakeyb SK3 Mountain City

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
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
1,900 mAhBetter

Build & materials

Case material

Aluminum
Aluminum

Weight

480 g
—

Dimensions

18 x 130 x 95 mm
—

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

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.

Lowest price across stores, Amazon excluded.

Weikav Stars21 Programmable Numpad2 stores

  • VelocifireCN

    In stock
    $54Visit

  • AmazonGlobal

    Check price
    ~$54Visit
Sikakeyb SK3 Mountain City2 stores

  • MechkeysCN

    In stock
    $149Visit

  • AmazonGlobal

    Check price
    ~$149Visit

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.

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