Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 2, 2026

AULA M75 vs Yunzii B87

Get the AULA M75 for the 8,000 mAh battery. Get the Yunzii B87 for qmk.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

AULA M75

Battery

Build quality in the bottom 25% of 75% boards under $100.

Rules this board out

  • No numpad.

Get the

Yunzii B87

QMK

Build quality in the top 20% of 80% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No 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.

AULA M75

Yunzii B87

  • Layout size

    75%

    80%

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    ABS

  • Weight

    1,735 g

    1,128 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • AULA M75
  • Yunzii B87
Performance
48
82
Build quality
54
77
Productivity
50
89
Customizability
52
86
Portability
85
73

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Keycaps: PBT
See every spec side by side

Full specs

AULA M75 vs Yunzii B87 specs

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

11 of 23 specs differ

AULA M75

Yunzii B87

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
80%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum
ABS

Plate material

FR4, Plastic
—

Keycaps

PBT
PBT

Weight

1,735 g
1,128 g

Dimensions

—
46 x 147 x 373 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2024
2024

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.

AULA M752 stores
Yunzii B872 stores

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.