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Head to head · Prices checked Oct 21, 2026

Akko 5075B Plus vs Yunzii AL6675% Layout vs Aluminum Build

Choose the Akko 5075B Plus for its dedicated function row and VIA support, or the Yunzii AL66 for its premium aluminum case and more compact form.

YUNZII AL66 Knob CNC Aluminum Wireless Mechanical Keyboard

Aluminum Build

Yunzii AL66

from$64

90-day low

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Quick verdict

Which one should you get?

Get the

Akko 5075B Plus

75% Layout

If you want

  • 75% layout retains function row, arrow keys, and navigation cluster for greater utility.
  • Officially supports VIA for easy key remapping and macro programming.
  • Offers extensive ISO layout compatibility for international users.

And can live with

  • Uses a plastic/ABS case construction, which may feel less premium than metal.
  • Heavier at 1500g and slightly wider, making it less portable.
  • Vendor description lists a 3000mAh battery, conflicting with the 4500mAh spec, creating uncertainty.

Get the

Yunzii AL66

Aluminum Build

If you want

  • CNC machined aluminum case offers a more premium feel and potential acoustic properties.
  • More compact 65% layout and lighter weight (1145g) enhance portability.
  • Features side case lighting in addition to south-facing RGB.

And can live with

  • 65% layout lacks dedicated function row and several navigation keys, requiring more layer use.
  • No support for VIA or QMK firmware, limiting software customization.
  • Only available in ANSI layout, with no ISO options mentioned.

Bottom line

Your decision hinges on whether you value a more functional layout or a premium build material. The Akko 5075B Plus is the practical workhorse, better suited for daily productivity and customization. The Yunzii AL66 is the compact luxury item, prioritizing a premium feel and smaller footprint. Choose based on which trade-off aligns with your primary use case.

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.

Akko 5075B Plus

Yunzii AL66

  • Layout size

    75%

    65%

  • Battery

    3,000 mAh

    4,600 mAh

  • Case material

    ABS, Plastic, Silicone

    Aluminum

  • Switch options

    Clicky, Linear

    Clicky

  • Mount style

    Gasket Mount

    Gasket Mount, Plate Mount

KeebFinder scores

How we score
  • Akko 5075B Plus
  • Yunzii AL66
Performance
79
73
Build quality
73
75
Productivity
92
78
Customizability
75
75
Portability
81
89

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Knob
  • Sound dampening
  • Plate material: Polycarbonate
  • Keycaps: PBT
See every spec side by side

Best for

What will you mostly use it for?

The Akko 5075B Plus is the clear choice for productivity-focused tasks like office work, programming, and content creation due to its more complete layout and software support. The Yunzii AL66 wins for travel thanks to its smaller size and lighter weight. For gaming, the Akko's confirmed high polling rate gives it an edge, while both keyboards are equally capable platforms for modding enthusiasts.

For gaming

Pick the Akko 5075B Plus

  • The Akko 5075B Plus has a specified 1000 Hz polling rate for potentially lower latency.
  • Its 75% layout retains the function row, which can be useful for in-game macros or commands.
  • It supports both linear and clicky switch types out of the box, offering more tactile choice.

Full specs

Akko 5075B Plus vs Yunzii AL66 specs

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

10 of 24 specs differ

Akko 5075B Plus

Yunzii AL66

Typing & switches

Switch options

Clicky, Linear
Clicky

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount, Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
65%

Layout standard

ANSI, ISO, ISO-DE, ISO-Nordic, ISO-UK
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

3,000 mAh
4,600 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Plastic, Silicone
Aluminum

Plate material

Polycarbonate
Polycarbonate

Keycaps

PBT
PBT

Weight

1,500 g
1,145 g

Dimensions

42 x 146 x 335 mm
42 x 113 x 322 mm

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2023

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • AmazonGlobal

    Check price
    Visit
  • MKUS

    Out of stock
    $85Visit
  • WhatGeekCN

    Out of stock
    $99Visit
Yunzii AL663 stores
  • AmazonGlobal

    Check price
    ~$64Visit
  • YunziiCN

    Out of stock
    $64Visit
  • MKUS

    Out of stock
    $90Visit

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.

FAQ

Akko 5075B Plus vs Yunzii AL66: your questions

Both the Akko 5075B Plus and Yunzii AL66 offer identical triple-mode connectivity: wired USB-C, Bluetooth, and 2.4 GHz wireless. There is no provided evidence to differentiate their wireless performance or battery life beyond the listed capacities.

Yes, both keyboards are hot-swappable. The Akko 5075B Plus uses 5-pin sockets, and the Yunzii AL66 supports both 3-pin and 5-pin switches, according to their respective vendor descriptions. This makes switch replacement tool-free and straightforward on both.

Yes, the Yunzii AL66 includes a metal knob. The manufacturer states it can control volume, RGB modes, and brightness. The Akko 5075B Plus also supports a knob, but one is not listed as included in the pre-built package.

Comfort is subjective and depends on layout preference. The Akko uses ASA profile keycaps, which are taller, while the Yunzii uses Cherry profile keycaps, which are lower. The Akko's 75% layout may require less finger stretching for arrow and function keys, whereas the Yunzii's 65% layout keeps your hands closer together.

Yes, the Akko 5075B Plus lists Mac/Win support in its features. The Yunzii AL66 is also listed as compatible with Windows, Mac, and Linux in its vendor characteristics.

There is a discrepancy. The product metadata lists a 4500mAh battery, but the vendor product description states it has a 3000mAh battery. It is advisable to check with the retailer or Akko for the correct specification for the specific model you are purchasing.

Both keyboards feature south-facing RGB backlighting. The Yunzii AL66 adds side case lights. The level of software control is not detailed, but the Akko's VIA support typically allows for deep lighting customization, while the Yunzii's knob offers direct control over modes and brightness.

Both are well-equipped. The Akko 5075B Plus includes an IXPE switch pad, silicone plate foam, and case foams. The Yunzii AL66 uses Poron sandwich foam, Poron socket foam, and PET sound pads. The different materials aim for a similar goal of reducing case ping and improving acoustics.

The provided vendor description for the Yunzii AL66 specifically lists the color as Pink with pink and white keycaps. There is no information provided on other color options for this model.

The Akko 5075B Plus may be easier for beginners due to its more familiar 75% layout, which reduces the learning curve of layers. Its VIA support also offers a user-friendly way to experiment with key remapping without flashing firmware.

Yes, both keyboards feature N-key rollover (NKRO). This means every keypress is registered independently, which is important for gaming and fast typing to prevent missed inputs.

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