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Head to head · Prices checked Oct 21, 2026

Cidoo ABM081 Stellar vs Keychron K2

Get the Keychron K2 for the 4,000 mAh battery.

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

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

  • Battery

    3,000 mAh

    4,000 mAh

  • Case material

    Aluminum

    ABS, Aluminum, Plastic

  • Mount style

    Gasket Mount

    Tray Mount

  • Display

    TFT

    None

KeebFinder scores

How we score
  • Cidoo ABM081 Stellar
  • Keychron K2
Performance
51
69
Build quality
76
68
Productivity
69
68
Customizability
82
63
Portability
75
82

What they share

  • Layout size: 75%
  • Hot-swappable
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

4.8

35 owner reviews

Praise
“It is an amazing keyboard. One thing, I don’t like that there is no battery indicator for this version so that I don’t when I need to charge it before it die out.”
Kasidet S.Verified buyer· via Keychron

Full specs

Cidoo ABM081 Stellar vs Keychron K2 specs

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

13 of 22 specs differ

Cidoo ABM081 Stellar

Keychron K2

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

TFT
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 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, Plastic

Keycaps

PBT
ABS

Weight

—
794 g

Dimensions

—
40 x 317 x 129 mm

Backlight

RGB, south-facing
Yes, north-facing

Firmware & software

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2024
2021

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
Keychron K23 stores
  • AmazonGlobal

    Check price
    Visit
  • KeychronHK

    Out of stock
    $52Visit
  • Keychron (DE)DE

    Out of stock
    $111Visit

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.

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