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Head to head · Prices checked Oct 21, 2026

Zuoya GMK21 Numpad vs Keychron K12

Get the Zuoya GMK21 Numpad for knob and qmk.

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.

Zuoya GMK21 Numpad

Keychron K12

  • Layout size

    Numpad

    60%

  • Knob

    Yes

    No

  • QMK

    Yes

    No

  • VIA

    Yes

    No

  • Backlight

    RGB

    RGB, north-facing

KeebFinder scores

How we score
  • Zuoya GMK21 Numpad
  • Keychron K12
Performance
62
58
Build quality
79
74
Productivity
65
69
Customizability
93
74
Portability
65
90

What they share

  • Hot-swappable
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Zuoya GMK21 Numpad

No owner reviews collected yet.

Keychron K12

4.8

192 owner reviews

Praise
“I have recently bought a Keychron K12, and I'm really satisfied with it. You can say that the build quality is high, and I love the sound of the switches.”
Artur L.Verified buyer· via Keychron
Critique
“Bought this in December 2023. The good first: - the typing experience is genuinely fantastic. The plastic case creates this resonant, almost bass-cabinet effect that makes every keystroke satisfying. - Gateron G Pro Red switches are solid as always. For pure…”
JahusVerified buyer· via Keychron

Full specs

Zuoya GMK21 Numpad vs Keychron K12 specs

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

9 of 21 specs differ

Zuoya GMK21 Numpad

Keychron K12

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Plate Mount, Tray Mount

Layout

Layout size

Numpad
60%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

—
Bluetooth, Wired

Max polling rate

—
1,000 Hz

Battery

—
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

—
ABS, Aluminum, Plastic

Plate material

—
Plastic

Keycaps

—
ABS

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

Mac & Windows

No
Yes

Extras

Released

2026
2021

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • ktechsSG

    In stock
    $35Visit
  • AmazonGlobal

    Check price
    ~$35Visit
Keychron K124 stores
  • KeychronHK

    In stock
    $39Visit
  • AmazonGlobal

    Check price
    ~$39Visit
  • MKUS

    Out of stock
    $89Visit
  • Keychron (DE)DE

    Out of stock
    $105Visit

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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