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Head to head · Prices checked Oct 21, 2026

NIUNIU Roly poly 40 R3 vs Yunzii B98 PRO

Get the Yunzii B98 PRO for knob.

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

Yunzii B98 PRO

  • Layout size

    40%

    96%

  • Case material

    Aluminum

    Metal, Plastic

  • Mount style

    Top Mount

    Gasket Mount

  • Knob

    No

    Yes

  • Display

    None

    OLED, LED

KeebFinder scores

How we score
  • NIUNIU Roly poly 40 R3
  • Yunzii B98 PRO
Performance
47
84
Build quality
75
82
Productivity
51
93
Customizability
70
94
Portability
80
62

What they share

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

Full specs

NIUNIU Roly poly 40 R3 vs Yunzii B98 PRO specs

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

17 of 27 specs differ

NIUNIU Roly poly 40 R3

Yunzii B98 PRO

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Top Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

40%
96%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-FR

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
OLED, LED

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

—
8,000 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum
Metal, Plastic

Plate material

FR4
Aluminum

Keycaps

—
PBT

Weight

—
1,188 g

Dimensions

—
49 x 414 x 142 mm

Typing angle

9°
—

Backlight

None
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

VIAL

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2025
2026

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • AmazonGlobal

    Check price
    ~$109Visit
  • zFrontierHK

    Out of stock
    $109Visit
  • YunziiCN

    In stock
    $91Visit
  • AmazonGlobal

    Check price
    Visit

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