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Head to head · Prices checked Oct 30, 2026

Ajazz AK820 Max Plus vs Cidoo ABM081 Stellar

Get the Ajazz AK820 Max Plus for the 8,000 mAh battery and knob. Get the Cidoo ABM081 Stellar for via.

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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.

Get the

Cidoo ABM081 Stellar

VIA

Build quality in the top 25% 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

Cidoo ABM081 Stellar

  • Battery

    8,000 mAh

    3,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS

    Aluminum

  • Knob

    Yes

    No

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

  • Backlight

    None

    RGB, south-facing

    RGB for looks and low light rather than speed

KeebFinder scores

How we score
  • Ajazz AK820 Max Plus
  • Cidoo ABM081 Stellar
Performance
52
51
Build quality
58
76
Productivity
84
69
Customizability
61
82
Portability
92
75

What they share

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

Full specs

Ajazz AK820 Max Plus vs Cidoo ABM081 Stellar specs

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

6 of 21 specs differ

Ajazz AK820 Max Plus

Cidoo ABM081 Stellar

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
TFT

Connectivity & battery

Connection

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

Battery

8,000 mAhBetter
3,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

FR4
—

Keycaps

PBT
PBT

Weight

850 g
—

Dimensions

20 x 333 x 143 mm
—

Backlight

None
RGB, south-facing

Firmware & software

VIA

No
Yes

Mac & Windows

Yes
No

Extras

Released

2024
2024

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

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