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Head to head · Prices checked Nov 11, 2026

NIUNIU Roly poly 40 R3 vs Royal Kludge S98 JP

Get the Royal Kludge S98 JP for knob and sound dampening.

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Quick verdict

Which one should you get?

Get the

NIUNIU Roly poly 40 R3

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

Rules this board out

  • Compact layout only. No function row, dedicated arrow keys, or numpad.

Get the

Royal Kludge S98 JP

Knob

Build quality in the top 40% 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.

NIUNIU Roly poly 40 R3

Royal Kludge S98 JP

  • Layout size

    40%

    96%

  • Knob

    No

    Yes

  • Display

    None

    LCD

    A case display rather than a typing feature

  • Sound dampening

    No

    Yes

  • Layout standard

    ANSI

    JIS

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • NIUNIU Roly poly 40 R3
  • Royal Kludge S98 JP
Performance
47
78
Build quality
74
70
Productivity
51
91
Customizability
70
79
Portability
80
57

What they share

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

Full specs

NIUNIU Roly poly 40 R3 vs Royal Kludge S98 JP specs

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

13 of 25 specs differ

NIUNIU Roly poly 40 R3

Royal Kludge S98 JP

Typing & switches

Switch options

Linear
—

Hot-swappable

Yes
Yes

Mount style

Top Mount
Top Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

40%
96%

Layout standard

ANSI
JIS

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
LCD

Connectivity & battery

Connection

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

Battery

—
3,750 mAh

USB passthrough

No
Yes

USB-C

No
Yes

Build & materials

Case material

Aluminum
—

Plate material

FR4
—

Keycaps

—
ABS

Weight

—
1,880 g

Dimensions

—
140 x 410 x 40 mm

Typing angle

9°
5°

Backlight

None
RGB

Firmware & software

VIAL

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2025
2025

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.

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