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Head to head · Prices checked Nov 2, 2026

Keychron K4 Pro vs Royal Kludge RK61

Get the Keychron K4 Pro for the 4,000 mAh battery and qmk.

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Quick verdict

Which one should you get?

Get the

Keychron K4 Pro

Battery

Build quality in the top 10% of 96% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

Royal Kludge RK61

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

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • 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.

Keychron K4 Pro

Royal Kludge RK61

  • Layout size

    96%

    60%

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Battery

    4,000 mAh

    1,450 mAh

    A larger battery means fewer cables during the day

  • Weight

    1,280 g

    500 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Keychron K4 Pro
  • Royal Kludge RK61
Performance
82
56
Build quality
84
51
Productivity
95
69
Customizability
96
58
Portability
54
88

What they share

  • Hot-swappable
  • Switch options: Clicky, Linear, Tactile
  • Keycaps: ABS, PBT
See every spec side by side

Full specs

Keychron K4 Pro vs Royal Kludge RK61 specs

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

13 of 26 specs differ

Keychron K4 Pro

Royal Kludge RK61

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Tray Mount
—

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

96%
60%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

4,000 mAhBetter
1,450 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Plastic
—

Plate material

Steel
—

Keycaps

ABS, PBT
ABS, PBT

Weight

1,280 g
500 g

Dimensions

31 x 391 x 139 mm
39 x 292 x 101 mm

Typing angle

3°
8°

Backlight

RGB, south-facing
None

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2022
2021

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K4 Pro

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW

    Out of stockDoes not ship to you

Royal Kludge RK61

No ISO layout at the stores we track.

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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