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Head to head · Prices checked Nov 7, 2026

Keychron B4 Pro vs Yunzii B98 PRO

Get the Yunzii B98 PRO for hot-swappable and the 8,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Keychron B4 Pro

Build quality in the bottom 10% of 96% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

Get the

Yunzii B98 PRO

Hot-swappable

Build quality in the top 20% of 96% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

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.

Keychron B4 Pro

Yunzii B98 PRO

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Battery

    800 mAh

    8,000 mAh

    A larger battery means fewer cables during the day

  • Low profile

    Yes

    No

  • Case material

    ABS

    Metal, Plastic

  • Switch options

    Clicky, Linear, Tactile

    Linear

KeebFinder scores

How we score
  • Keychron B4 Pro
  • Yunzii B98 PRO
Performance
51
84
Build quality
43
81
Productivity
70
93
Customizability
43
94
Portability
52
63

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Max polling rate: 1,000 Hz
See every spec side by side

Full specs

Keychron B4 Pro vs Yunzii B98 PRO specs

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

18 of 27 specs differ

Keychron B4 Pro

Yunzii B98 PRO

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Low profile

Yes
No

Sound dampening

No
Yes

Layout

Layout size

96%
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
1,000 Hz

Battery

800 mAh
8,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS
Metal, Plastic

Plate material

—
Aluminum

Keycaps

ABS
PBT

Weight

495 g
1,188 g

Dimensions

-1 x -1 x -1 mm
49 x 414 x 142 mm

Typing angle

3°
—

Backlight

None
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2026

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron B4 Pro

No ISO layout at the stores we track.

Yunzii B98 PRO

  • Yunzii

    ISO-DE, ISO-FR

    In stockShips to you

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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