Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 21, 2026

Cidoo ABM081 Stellar vs Keychron K2 Max

Get the Keychron K2 Max for the 4,000 mAh battery and qmk.

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 ABM081 Stellar

Keychron K2 Max

  • Battery

    3,000 mAh

    4,000 mAh

  • Case material

    Aluminum

    ABS, Aluminum

  • Mount style

    Gasket Mount

    PCB Mount, Plate Mount

  • Display

    TFT

    None

  • QMK

    No

    Yes

KeebFinder scores

How we score
  • Cidoo ABM081 Stellar
  • Keychron K2 Max
Performance
51
81
Build quality
76
86
Productivity
69
95
Customizability
82
91
Portability
75
79

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • VIA
  • 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 ABM081 Stellar

No owner reviews collected yet.

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 ABM081 Stellar vs Keychron K2 Max specs

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

10 of 26 specs differ

Cidoo ABM081 Stellar

Keychron K2 Max

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
PCB Mount, Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

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

Ergonomics

Standard
Standard

Display

TFT
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
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Aluminum

Plate material

—
Steel

Keycaps

PBT
PBT

Weight

—
940 g

Dimensions

—
32 x 317 x 122 mm

Typing angle

—
5°

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

Yes
Yes

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2024
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $59Visit
  • AmazonGlobal

    Check price
    ~$59Visit
  • KeychronHK

    In stock
    $94Visit
  • Keychron (DE)DE

    In stock
    $127Visit
  • AmazonGlobal

    Check price
    Visit
  • MKUS

    Out of stock
    $120Visit

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.