Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 2, 2026

Leopold FC220TP Numpad vs MMD KM21 Ultra

Get the Leopold FC220TP Numpad for the 2,000 mAh battery and n-key rollover. Get the MMD KM21 Ultra for knob.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

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.

Leopold FC220TP Numpad

MMD KM21 Ultra

  • Battery

    2,000 mAh

    980 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    Aluminum

  • Mount style

    Plate Mount

    Top Mount

  • Knob

    No

    Yes

  • N-key rollover

    Yes

    No

KeebFinder scores

How we score
  • Leopold FC220TP Numpad
  • MMD KM21 Ultra
Performance
79
66
Build quality
77
81
Productivity
88
89
Customizability
89
89
Portability
90
86

What they share

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

Full specs

Leopold FC220TP Numpad vs MMD KM21 Ultra specs

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

5 of 21 specs differ

Leopold FC220TP Numpad

MMD KM21 Ultra

Typing & switches

Switch options

Clicky, Silent
—

Hot-swappable

Yes
Yes

Mount style

Plate Mount
Top Mount

Sound dampening

Yes
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

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

Battery

2,000 mAhBetter
980 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Aluminum

Plate material

—
Plastic

Keycaps

PBT
—

Backlight

RGB
RGB

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.