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Head to head · Prices checked Nov 7, 2026

zFrontier Soso pad Numpad vs Keychron Lemokey X4

Get the Keychron Lemokey X4 for knob.

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Quick verdict

Which one should you get?

Get the

zFrontier Soso pad Numpad

Build quality in the top 25% of Numpad boards under $100.

Rules this board out

  • Numpad only. This is not a full keyboard.

Get the

Keychron Lemokey X4

Knob

Build quality in the top 10% of 75% boards under $50.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

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.

zFrontier Soso pad Numpad

Keychron Lemokey X4

  • Layout size

    Numpad

    75%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    Aluminum

    ABS, Plastic

  • Switch options

    Linear, Tactile

    Clicky, Linear, Tactile

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • zFrontier Soso pad Numpad
  • Keychron Lemokey X4
Performance
46
74
Build quality
77
82
Productivity
62
96
Customizability
53
82
Portability
82
65

What they share

  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
See every spec side by side

Full specs

zFrontier Soso pad Numpad vs Keychron Lemokey X4 specs

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

14 of 26 specs differ

zFrontier Soso pad Numpad

Keychron Lemokey X4

Typing & switches

Switch options

Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

Numpad
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

—
1,000 Hz

Battery

700 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Plastic

Plate material

FR4
Polycarbonate

Keycaps

—
ABS, PBT

Weight

—
712 g

Dimensions

—
41 x 325 x 145 mm

Typing angle

7°
10°

Backlight

None
Yes, south-facing

Firmware & software

QMK

No
Yes

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2024

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

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