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

Head to head · Prices checked Oct 21, 2026

Ajazz AC100 vs Yunzii B75 Pro Max

Get the Yunzii B75 Pro Max for knob and qmk.

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.

Ajazz AC100

Yunzii B75 Pro Max

  • Layout size

    96%

    75%

  • Knob

    No

    Yes

  • Weight

    2,100 g

    993 g

  • QMK

    No

    Yes

  • VIA

    No

    Yes

KeebFinder scores

How we score
  • Ajazz AC100
  • Yunzii B75 Pro Max
Performance
58
83
Build quality
60
80
Productivity
65
73
Customizability
65
88
Portability
62
90

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 8,000 mAh
  • Switch options: Linear
  • Mount style: Gasket Mount
  • Display: TFT
See every spec side by side

Full specs

Ajazz AC100 vs Yunzii B75 Pro Max specs

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

8 of 22 specs differ

Ajazz AC100

Yunzii B75 Pro Max

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Layout

Layout size

96%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

TFT
TFT

Connectivity & battery

Connection

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

Battery

8,000 mAh
8,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
—

Plate material

FR4, Plastic
—

Keycaps

PBT
PBT

Weight

2,100 g
993 g

Dimensions

20 x 145 x 410 mm
42 x 334 x 144 mm

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2024
2025

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

Ajazz AC1003 stores
  • MechkeysCN

    In stock
    $89Visit
  • AmazonGlobal

    Check price
    ~$89Visit
  • WhatGeekCN

    Out of stock
    $149Visit
  • YunziiCN

    In stock
    $84Visit
  • AmazonGlobal

    Check price
    Visit

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.

Still torn?

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