3-way comparison · Prices checked Nov 10, 2026

Ajazz AK820 Pro vs AULA F75 vs Yunzii B75 Pro

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Ajazz AK820 Pro

4.6 (256)4.6 · 256 reviews

from$55at Epomaker

90-day lowLowest price in 90 days

Compare 4 stores

AULA F75

4.5 (510)4.5 · 510 reviews

from$42at Epomaker

90-day lowLowest price in 90 days

Compare 5 stores

Yunzii B75 Pro

No reviews

from$79at Yunzii

Compare 3 stores

Quick verdict

Which one should you get?

Get the

Ajazz AK820 Pro

Build quality in the top 30% 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.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$55 at Epomaker

Get the

AULA F75

Build quality in the top 30% of 75% boards under $50.

Rules this board out

North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$42 at Epomaker

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.

$79 at Yunzii

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
A case display rather than a typing feature
Weight
810 g
1,023 g
937 g
Heavier boards stay planted and lighter ones travel
Layout standard
ANSI
ANSI
ANSI, Dvorak, ISO
ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score

Ajazz AK820 Pro
AULA F75
Yunzii B75 Pro

Performance: 77
81
85
Build quality: 75
76
72
Productivity: 82
93
91
Customizability: 72
82
78
Portability: 79
83
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

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

Spec

Ajazz AK820 Pro

AULA F75

Yunzii B75 Pro

Typing & switches

Switch options

Linear

Linear, Silent

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

Gasket Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

75%

Layout standard

ANSI

ANSI, Dvorak, ISO

Ergonomics

Standard

Knob

Yes

Display

TFT

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

—

1,000 Hz

4,000 Hz

Battery

4,000 mAh

USB-C

Yes

Build & materials

Case material

ABS, Aluminum

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

Firmware & software

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2023

2024

For EU buyers

ISO layouts by store

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

Ajazz AK820 Pro

No ISO layout at the stores we track.

AULA F75

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.

Ajazz AK820 Pro4 stores