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Head to head · Prices checked Oct 23, 2026

ACGAM S99 vs Cidoo ABM098

Get the ACGAM S99 for the 6,000 mAh battery. Get the Cidoo ABM098 for knob and via.

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.

ACGAM S99

Cidoo ABM098

  • Layout size

    96%

    98%

  • Battery

    6,000 mAh

    3,000 mAh

  • Switch options

    Linear

    Clicky, Linear

  • Knob

    No

    Yes

  • VIA

    No

    Yes

KeebFinder scores

How we score
  • ACGAM S99
  • Cidoo ABM098
Performance
66
54
Build quality
69
61
Productivity
80
75
Customizability
65
78
Portability
68
52

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

ACGAM S99 vs Cidoo ABM098 specs

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

8 of 22 specs differ

ACGAM S99

Cidoo ABM098

Typing & switches

Switch options

Linear
Clicky, Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

96%
98%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

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
—

Battery

6,000 mAhBetter
3,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
—

Keycaps

PBT
PBT

Weight

1,200 g
—

Dimensions

46 x 143 x 386 mm
—

Backlight

RGB
RGB

Firmware & software

VIA

No
Yes

Mac & Windows

Yes
No

Extras

Released

2024
2023

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

ACGAM S992 stores
  • AmazonGlobal

    Check price
    ~$109Visit
  • WhatGeekCN

    Out of stock
    $109Visit
Cidoo ABM0982 stores
  • MechkeysCN

    In stock
    $119Visit
  • AmazonGlobal

    Check price
    ~$119Visit

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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