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Head to head · Prices checked Nov 10, 2026

Royal Kludge A72 HE vs REDMAGIC Nubia K100J

Get the Royal Kludge A72 HE for hall effect and the 7,500 mAh battery.

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Quick verdict

Which one should you get?

Get the

Royal Kludge A72 HE

Hall effect

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

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.
  • 65% layout. No function row and no numpad.

Get the

REDMAGIC Nubia K100J

Build quality in the bottom 30% of 96% boards under $200.

Rules this board out

  • 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

REDMAGIC Nubia K100J

  • Layout size

    65%

    96%

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Battery

    7,500 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Ergonomics

    Alice

    Standard

  • Switch options

    Magnetic

    Linear

KeebFinder scores

How we score
  • Royal Kludge A72 HE
  • REDMAGIC Nubia K100J
Performance
93
63
Build quality
60
57
Productivity
83
69
Customizability
73
74
Portability
94
52

What they share

  • Rapid trigger
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Knob
  • Display: LED
  • Sound dampening
See every spec side by side

Full specs

Royal Kludge A72 HE vs REDMAGIC Nubia K100J specs

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

9 of 23 specs differ

Royal Kludge A72 HE

REDMAGIC Nubia K100J

Typing & switches

Switch options

Magnetic
Linear

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
Yes

Hot-swappable

Yes
Yes

Mount style

Plate Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

65%
96%

Layout standard

ANSI
ANSI

Ergonomics

Alice
Standard

Knob

Yes
Yes

Display

LED
LED

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

8,000 Hz
—

Battery

7,500 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
Metal, Plastic

Keycaps

PBT
PBT

Weight

1,350 g
—

Dimensions

42 x 384 x 140 mm
—

Backlight

RGB
RGB

Firmware & software

Mac & Windows

Yes
No

Extras

Released

2026
2023

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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