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Head to head · Prices checked Nov 11, 2026

Royal Kludge RK84 vs Yunzii B75

Get the Yunzii B75 for knob.

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Quick verdict

Which one should you get?

Get the

Royal Kludge RK84

Build quality in the bottom 20% of 75% boards under $100.

Get the

Yunzii B75

Knob

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

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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 RK84

Yunzii B75

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Switch options

    Clicky, Linear, Silent, Tactile

    Clicky, Linear, Tactile

  • Knob

    No

    Yes

  • Weight

    803.5 g

    797.5 g

    Heavier boards stay planted and lighter ones travel

  • Keycaps

    ABS, PBT

    PBT

KeebFinder scores

How we score
  • Royal Kludge RK84
  • Yunzii B75
Performance
62
82
Build quality
50
70
Productivity
77
89
Customizability
68
76
Portability
80
68

What they share

  • Layout size: 75%
  • Hot-swappable
  • Sound dampening
See every spec side by side

Full specs

Royal Kludge RK84 vs Yunzii B75 specs

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

11 of 24 specs differ

Royal Kludge RK84

Yunzii B75

Typing & switches

Switch options

Clicky, Linear, Silent, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

1,000 Hz
—

Battery

3,750 mAh
Wired only

USB passthrough

Yes
No

USB-C

Yes
Yes

Build & materials

Case material

Plastic
—

Keycaps

ABS, PBT
PBT

Weight

803.5 g
797.5 g

Dimensions

41 x 315 x 125 mm
42 x 144 x 334 mm

Typing angle

8°
—

Backlight

RGB
RGB, south-facing

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2021
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.

Yunzii B752 stores

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