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Head to head · Prices checked Nov 7, 2026

zFrontier Soso pad Numpad vs Royal Kludge RK61

Get the zFrontier Soso pad Numpad for via and sound dampening. Get the Royal Kludge RK61 for the 1,450 mAh battery.

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Quick verdict

Which one should you get?

Get the

zFrontier Soso pad Numpad

VIA

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

Royal Kludge RK61

Battery

Build quality in the bottom 20% of 60% boards under $50.

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or 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

Royal Kludge RK61

  • Layout size

    Numpad

    60%

  • Battery

    700 mAh

    1,450 mAh

    A larger battery means fewer cables during the day

  • Switch options

    Linear, Tactile

    Clicky, Linear, Tactile

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Sound dampening

    Yes

    No

KeebFinder scores

How we score
  • zFrontier Soso pad Numpad
  • Royal Kludge RK61
Performance
46
56
Build quality
77
52
Productivity
62
69
Customizability
53
58
Portability
82
88

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
See every spec side by side

Full specs

zFrontier Soso pad Numpad vs Royal Kludge RK61 specs

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

10 of 23 specs differ

zFrontier Soso pad Numpad

Royal Kludge RK61

Typing & switches

Switch options

Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

Numpad
60%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Battery

700 mAh
1,450 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
—

Plate material

FR4
—

Keycaps

—
ABS, PBT

Weight

—
500 g

Dimensions

—
39 x 292 x 101 mm

Typing angle

7°
8°

Backlight

None
None

Firmware & software

VIA

Yes
No

N-key rollover

No
Yes

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.

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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