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Head to head · Prices checked Oct 21, 2026

Cidoo ABM081 Stellar vs Vgn S99

Get the Cidoo ABM081 Stellar for via. Get the Vgn S99 for the 6,000 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

Vgn S99

  • Layout size

    75%

    96%

  • Battery

    3,000 mAh

    6,000 mAh

  • Case material

    Aluminum

    Plastic

  • Display

    TFT

    LED

  • VIA

    Yes

    No

KeebFinder scores

How we score
  • Cidoo ABM081 Stellar
  • Vgn S99
Performance
51
59
Build quality
76
52
Productivity
69
62
Customizability
82
59
Portability
75
59

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Cidoo ABM081 Stellar vs Vgn S99 specs

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

8 of 19 specs differ

Cidoo ABM081 Stellar

Vgn S99

Typing & switches

Switch options

—
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

TFT
LED

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

3,000 mAh
6,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Plastic

Plate material

—
FR4

Keycaps

PBT
PBT

Backlight

RGB, south-facing
RGB

Firmware & software

VIA

Yes
No

N-key rollover

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
Vgn S992 stores
  • MechkeysCN

    In stock
    $79Visit
  • AmazonGlobal

    Check price
    ~$79Visit

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