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Head to head · Prices checked Nov 7, 2026

Cidoo ABM084 vs Keychron K2 Max

Get the Cidoo ABM084 for knob. Get the Keychron K2 Max for the 4,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Cidoo ABM084

Knob

Build quality in the bottom 20% of 75% boards under $100.

Rules this board out

  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Keychron K2 Max

Battery

Build quality in the top 10% 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.

Cidoo ABM084

Keychron K2 Max

  • Battery

    3,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Plastic

    ABS, Aluminum

  • Switch options

    Clicky, Linear

    Clicky, Linear, Tactile

  • Knob

    Yes

    No

  • Weight

    1,012 g

    940 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Cidoo ABM084
  • Keychron K2 Max
Performance
61
81
Build quality
50
85
Productivity
91
95
Customizability
73
91
Portability
80
79

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Max polling rate: 1,000 Hz
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

From real owners

What owners say

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

Cidoo ABM084

4.1

87 owner reviews

Praise
“As a beginner i got everything what i want from a keyboard with this piece. I think it is a good value and recommend to bye it. Packaging and shipping are also very good.”
gregory k.Verified buyer· via Epomaker
Critique
“This was my first custom keyboard so I was using it completely stock, but it has since completely stopped working even with the charging cable in. I would love to give it praise but I can't with this.”
T.M.Verified buyer· via Epomaker

Keychron K2 Max

4.5

2 owner reviews

Praise
“Négatif: Le temps de livraison et la clareté des infos”
EvanVerified buyer· via Keychron

Full specs

Cidoo ABM084 vs Keychron K2 Max specs

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

11 of 27 specs differ

Cidoo ABM084

Keychron K2 Max

Typing & switches

Switch options

Clicky, Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

—
PCB Mount, Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

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

Ergonomics

Standard
Standard

Knob

Yes
No

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
1,000 Hz

Battery

3,000 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Aluminum

Plate material

—
Steel

Keycaps

PBT
PBT

Weight

1,012 g
940 g

Dimensions

—
32 x 317 x 122 mm

Typing angle

—
5°

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2022
2024

For EU buyers

ISO layouts by store

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

Cidoo ABM084

No ISO layout at the stores we track.

Keychron K2 Max

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-SW

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-SW

    Out of stockDoes not ship 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.

Cidoo ABM0842 stores

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