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Head to head · Prices checked Nov 10, 2026

Zuoya LMK81 vs Apos NPKC RO75

Get the Zuoya LMK81 for knob and qmk. Get the Apos NPKC RO75 for sound dampening and vial.

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Quick verdict

Which one should you get?

Get the

Zuoya LMK81

Knob

Build quality in the top 10% of 75% boards under $150.

Rules this board out

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

Get the

Apos NPKC RO75

Sound dampening

Build quality in the top 10% of 75% boards under $100.

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.

Zuoya LMK81

Apos NPKC RO75

  • Knob

    Yes

    No

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • Sound dampening

    No

    Yes

  • Backlight

    RGB, south-facing

    RGB

    RGB for looks and low light rather than speed

  • VIAL

    No

    Yes

    GUI remapping on boards that do not ship VIA

KeebFinder scores

How we score
  • Zuoya LMK81
  • Apos NPKC RO75
Performance
73
86
Build quality
84
82
Productivity
87
89
Customizability
94
82
Portability
81
91

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • Mount style: Gasket Mount
  • VIA
See every spec side by side

Full specs

Zuoya LMK81 vs Apos NPKC RO75 specs

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

6 of 26 specs differ

Zuoya LMK81

Apos NPKC RO75

Typing & switches

Switch options

—
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

—
4,000 Hz

Battery

—
6,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

—
FR4, Polycarbonate

Keycaps

—
ABS, PBT

Weight

—
1,680 g

Dimensions

—
35 x 312 x 135 mm

Typing angle

—
15°

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
Yes

VIAL

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2025

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.

Zuoya LMK812 stores

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