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Head to head · Prices checked Nov 11, 2026

Royal Kludge A72 HE vs Keychron K4 HE

Get the Royal Kludge A72 HE for the 7,500 mAh battery and the 8,000 Hz polling rate.

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Quick verdict

Which one should you get?

Get the

Royal Kludge A72 HE

Battery

Build quality in the bottom 45% of 65% boards under $100.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • 65% layout. No function row and no numpad.

Get the

Keychron K4 HE

Build quality in the top 10% of 96% boards under $150.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

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.

Royal Kludge A72 HE

Keychron K4 HE

  • Layout size

    65%

    96%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired, 2.4 GHz

    Wireless for several devices and wired for lower latency

  • Battery

    7,500 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Ergonomics

    Alice

    Standard

  • Max polling rate

    8,000 Hz

    1,000 Hz

    Higher polling helps competitive FPS and does nothing for typing

KeebFinder scores

How we score
  • Royal Kludge A72 HE
  • Keychron K4 HE
Performance
93
92
Build quality
60
87
Productivity
83
94
Customizability
73
89
Portability
94
56

What they share

  • Hall effect (magnetic)
  • Rapid trigger
  • Hot-swappable
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Royal Kludge A72 HE vs Keychron K4 HE specs

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

18 of 28 specs differ

Royal Kludge A72 HE

Keychron K4 HE

Typing & switches

Switch options

Magnetic
Clicky, Linear, Magnetic, Tactile

Hall effect (magnetic)

Yes
Yes

Rapid trigger

Yes
Yes

Hot-swappable

Yes
Yes

Mount style

Plate Mount
Tray Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

65%
96%

Layout standard

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

Ergonomics

Alice
Standard

Knob

Yes
No

Display

LED
None

Connectivity & battery

Connection

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

Max polling rate

8,000 HzBetter
1,000 Hz

Battery

7,500 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
ABS, Aluminum, Plastic, Wood

Plate material

—
Aluminum

Keycaps

PBT
PBT

Weight

1,350 g
1,090 g

Dimensions

42 x 384 x 140 mm
31 x 126 x 373 mm

Typing angle

—
5°, 8°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2025

For EU buyers

ISO layouts by store

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

Royal Kludge A72 HE

No ISO layout at the stores we track.

Keychron K4 HE

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-CH

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-CH

    In stockDoes not ship to you

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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