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Head to head · Prices checked Oct 28, 2026

Ajazz AKS075 vs Yunzii IF99

Get the Ajazz AKS075 for knob. Get the Yunzii IF99 for the 8,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Ajazz AKS075

Knob

Build quality in the bottom 30% of 75% boards under $100.

Rules this board out

  • No numpad.

Get the

Yunzii IF99

Battery

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 AKS075

Yunzii IF99

  • Layout size

    75%

    95%

  • Battery

    5,000 mAh

    8,000 mAh

    A larger battery means fewer cables during the day

  • Ergonomics

    Alice

    Standard

  • Knob

    Yes

    No

  • Display

    TFT

    Yes

    A case display rather than a typing feature

KeebFinder scores

How we score
  • Ajazz AKS075
  • Yunzii IF99
Performance
51
82
Build quality
55
80
Productivity
80
89
Customizability
78
89
Portability
76
63

What they share

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

Full specs

Ajazz AKS075 vs Yunzii IF99 specs

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

14 of 25 specs differ

Ajazz AKS075

Yunzii IF99

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
95%

Layout standard

ANSI
ANSI

Ergonomics

Alice
Standard

Knob

Yes
No

Display

TFT
Yes

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

5,000 mAh
8,000 mAhBetter

USB-C

No
Yes

Build & materials

Case material

ABS, Plastic
—

Plate material

Plastic
—

Keycaps

PBT
PBT

Weight

890 g
1,238.5 g

Dimensions

20 x 146 x 333 mm
46 x 385 x 143 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

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 AKS0753 stores
Yunzii IF992 stores

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