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3-way comparison · Prices checked Oct 21, 2026

Ajazz AK820 Pro vs AULA F75 vs Yunzii B75 Pro

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 Pro

AULA F75

Yunzii B75 Pro

  • Case material

    ABS, Aluminum

    Plastic

    Plastic

  • Switch options

    Linear

    Linear, Silent

    Clicky, Linear, Tactile

  • Display

    TFT

    None

    None

  • Weight

    810 g

    1,023 g

    937 g

  • Layout standard

    ANSI

    ANSI

    ANSI, Dvorak, ISO

KeebFinder scores

How we score
  • Ajazz AK820 Pro
  • AULA F75
  • Yunzii B75 Pro
Performance
61
64
75
Build quality
66
66
60
Productivity
82
92
91
Customizability
72
82
78
Portability
79
82
80

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Mount style: Gasket Mount
  • Knob
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Ajazz AK820 Pro

4.6

256 owner reviews

Praise
“It's a nice keyboard, has a nice sound when typing. I like the dedicated volume know and it's easy to load gifs onto the little screen using the ajazz software”
David C.Verified buyer· via Epomaker
Critique
“So recently i started to notice my w key stop completely and have to press again and again for the input, please can you assist me in this matter”
Aniruddh C.Verified buyer· via Epomaker

AULA F75

4.5

509 owner reviews

Praise
“Works exactly as intended and still works as new. The 2.4 GHz Receiver doesn't communicate correctly and isn't reliable but on BT and Cable it works perfectly”
MegaNoobyYTVerified buyer· via Epomaker
Critique
“I made an order for EPOMAKER x AULA 75 with express shipping on 27/1/24. Emailed the team TWICE. Now its 19/3/24, and i still dont have the item. Very poor service”
Faisal A.Verified buyer· via Epomaker

Yunzii B75 Pro

No owner reviews collected yet.

Full specs

Ajazz AK820 Pro vs AULA F75 vs Yunzii B75 Pro specs

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

10 of 24 specs differ

Ajazz AK820 Pro

AULA F75

Yunzii B75 Pro

Typing & switches

Switch options

Linear
Linear, Silent
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes
Yes

Mount style

Gasket Mount
Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes
Yes

Screw-in stabilizers

No
Yes
Yes

Layout

Layout size

75%
75%
75%

Layout standard

ANSI
ANSI
ANSI, Dvorak, ISO

Ergonomics

Standard
Standard
Standard

Knob

Yes
Yes
Yes

Display

TFT
None
None

Media keys

No
Yes
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz
4,000 Hz

Battery

4,000 mAh
4,000 mAh
4,000 mAh

USB-C

Yes
Yes
Yes

Build & materials

Case material

ABS, Aluminum
Plastic
Plastic

Plate material

Polycarbonate
—
Aluminum

Keycaps

PBT
ABS, PBT
PBT, PC

Weight

810 g
1,023 g
937 g

Dimensions

40 x 327 x 136 mm
43 x 143 x 323 mm
42 x 334 x 144 mm

Backlight

RGB, south-facing
RGB, south-facing
RGB, south-facing

Firmware & software

N-key rollover

Yes
Yes
Yes

Mac & Windows

Yes
Yes
Yes

Extras

Released

2023
2023
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • EpomakerUS

    In stock
    $68Visit
  • AmazonGlobal

    Check price
    Visit
  • MechkeysCN

    Out of stock
    $65Visit
  • WhatGeekCN

    Out of stock
    $67Visit
AULA F755 stores
  • EpomakerUS

    In stock
    $49Visit
  • VelocifireCN

    In stock
    $66Visit
  • AmazonGlobal

    Check price
    Visit
  • WhatGeekCN

    Out of stock
    $67Visit
  • YunziiCN

    In stock
    $79Visit
  • MechkeysCN

    In stock
    $79Visit
  • AmazonGlobal

    Check price
    Visit

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