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Head to head · Prices checked Nov 2, 2026

Epomaker TH40 vs Royal Kludge S98 ES

Get the Royal Kludge S98 ES for the 3,750 mAh battery and knob.

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EPOMAKER TH40

3.9 (56)

$55at Epomaker

90-day low

Quick verdict

Which one should you get?

Get the

Epomaker TH40

Build quality in the top 30% of 40% boards under $150.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • Compact layout only. No function row, dedicated arrow keys, or numpad.

Get the

Royal Kludge S98 ES

Battery

Build quality in the top 45% of 96% boards under $150.

Rules this board out

  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

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.

Epomaker TH40

Royal Kludge S98 ES

  • Layout size

    40%

    96%

  • Battery

    3,000 mAh

    3,750 mAh

    A larger battery means fewer cables during the day

  • Ergonomics

    Split Spacebar

    Standard

  • Mount style

    Gasket Mount

    Top Mount

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Epomaker TH40
  • Royal Kludge S98 ES
Performance
74
78
Build quality
76
70
Productivity
62
91
Customizability
85
79
Portability
84
56

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
See every spec side by side

Full specs

Epomaker TH40 vs Royal Kludge S98 ES specs

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

17 of 26 specs differ

Epomaker TH40

Royal Kludge S98 ES

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Top Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

40%
96%

Layout standard

ANSI
ANSI

Ergonomics

Split Spacebar
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

3,000 mAh
3,750 mAhBetter

USB passthrough

No
Yes

USB-C

No
Yes

Build & materials

Case material

ABS
—

Plate material

Plastic, Polycarbonate
—

Keycaps

PBT
ABS

Weight

500 g
1,879 g

Dimensions

35 x 258 x 97 mm
42 x 409 x 140 mm

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

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