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Head to head · Prices checked Oct 29, 2026

Epomaker EK21 vs zFrontier Soso pad Numpad

Get the Epomaker EK21 for the 1,000 mAh battery and knob.

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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.

Epomaker EK21

zFrontier Soso pad Numpad

  • Battery

    1,000 mAh

    700 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS

    Aluminum

  • Switch options

    Linear

    Linear, Tactile

  • Knob

    Yes

    No

  • Plate material

    Polycarbonate

    FR4

KeebFinder scores

How we score
  • Epomaker EK21
  • zFrontier Soso pad Numpad
Performance
78
46
Build quality
76
77
Productivity
87
62
Customizability
82
53
Portability
88
83

What they share

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

Full specs

Epomaker EK21 vs zFrontier Soso pad Numpad specs

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

9 of 24 specs differ

Epomaker EK21

zFrontier Soso pad Numpad

Typing & switches

Switch options

Linear
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

Numpad
Numpad

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

1,000 mAhBetter
700 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

Polycarbonate
FR4

Keycaps

PBT
—

Weight

200 g
—

Dimensions

29 x 138 x 93 mm
—

Typing angle

—
7°

Backlight

RGB
None

Firmware & software

VIA

Yes
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
No

Extras

Released

2025
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.

Lowest price across stores, Amazon excluded.

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