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Head to head · Prices checked Oct 21, 2026

Cidoo ABM081 Stellar vs Keychron B31

Get the Cidoo ABM081 Stellar for hot-swappable and the 3,000 mAh battery.

Keychron B31 Wireless Keyboard

Keychron B31

from$34at MK

90-day low

Shop nowSee all prices

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 B31

  • Hot-swappable

    Yes

    No

  • Battery

    3,000 mAh

    800 mAh

  • Case material

    Aluminum

    ABS, Plastic

  • Mount style

    Gasket Mount

    PCB Mount

  • Display

    TFT

    None

KeebFinder scores

How we score
  • Cidoo ABM081 Stellar
  • Keychron B31
Performance
51
59
Build quality
76
52
Productivity
69
69
Customizability
82
47
Portability
75
79

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
See every spec side by side

Full specs

Cidoo ABM081 Stellar vs Keychron B31 specs

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

13 of 23 specs differ

Cidoo ABM081 Stellar

Keychron B31

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
No

Mount style

Gasket Mount
PCB 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, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

3,000 mAhBetter
800 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Plastic

Keycaps

PBT
ABS

Weight

—
520 g

Dimensions

—
26 x 138 x 327 mm

Typing angle

—
5°

Backlight

RGB, south-facing
None

Firmware & software

VIA

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2024
2026

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 B314 stores
  • MKUS

    In stock
    $34Visit
  • AmazonGlobal

    Check price
    ~$34Visit
  • KeychronHK

    Out of stock
    $34Visit
  • Keychron (DE)DE

    Out of stock
    $69Visit

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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