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Head to head · Prices checked Nov 12, 2026

ACGAM S99 vs Royal Kludge S98 DE

Get the ACGAM S99 for the 6,000 mAh battery. Get the Royal Kludge S98 DE for knob.

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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

Royal Kludge S98 DE

  • Battery

    6,000 mAh

    3,750 mAh

    A larger battery means fewer cables during the day

  • Switch options

    Linear

    Linear, Tactile

  • Mount style

    Gasket Mount

    Top Mount

  • Knob

    No

    Yes

  • Display

    None

    LCD

    A case display rather than a typing feature

KeebFinder scores

How we score
  • ACGAM S99
  • Royal Kludge S98 DE
Performance
66
68
Build quality
69
70
Productivity
80
91
Customizability
65
79
Portability
68
57

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Sound dampening
See every spec side by side

Full specs

ACGAM S99 vs Royal Kludge S98 DE specs

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

10 of 22 specs differ

ACGAM S99

Royal Kludge S98 DE

Typing & switches

Switch options

Linear
Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Top Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
LCD

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

6,000 mAhBetter
3,750 mAh

USB passthrough

No
Yes

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
—

Keycaps

PBT
ABS

Weight

1,200 g
1,879 g

Dimensions

46 x 143 x 386 mm
41 x 140 x 41 mm

Backlight

RGB
RGB

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2024
2024

Where to buy

Compare prices

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

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.

ACGAM S992 stores

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