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Head to head · Prices checked Nov 10, 2026

Ajazz AK820 Max Plus vs Yunzii B75 Pro

Get the Ajazz AK820 Max Plus for the 8,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Ajazz AK820 Max Plus

Battery

Build quality in the bottom 35% of 75% boards under $100.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Yunzii B75 Pro

Build quality in the top 35% of 75% boards under $100.

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.

Ajazz AK820 Max Plus

Yunzii B75 Pro

  • Battery

    8,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS

    Plastic

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Display

    TFT

    None

    A case display rather than a typing feature

  • Weight

    850 g

    937 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Ajazz AK820 Max Plus
  • Yunzii B75 Pro
Performance
51
85
Build quality
57
72
Productivity
84
91
Customizability
61
78
Portability
92
80

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Ajazz AK820 Max Plus vs Yunzii B75 Pro specs

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

13 of 24 specs differ

Ajazz AK820 Max Plus

Yunzii B75 Pro

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, Dvorak, ISO

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

TFT
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

—
4,000 Hz

Battery

8,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Plastic

Plate material

FR4
Aluminum

Keycaps

PBT
PBT, PC

Weight

850 g
937 g

Dimensions

20 x 333 x 143 mm
42 x 334 x 144 mm

Backlight

None
RGB, south-facing

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Ajazz AK820 Max Plus

No ISO layout at the stores we track.

Yunzii B75 Pro

  • Yunzii

    ISO

    In stockShips to you

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.

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