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Head to head · Prices checked Oct 28, 2026

Keychron V1 Ultra vs Yunzii B75 Pro Max

Get the Keychron V1 Ultra for sound dampening. Get the Yunzii B75 Pro Max for the 8,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Keychron V1 Ultra

Sound dampening

Build quality in the top 10% of 75% boards under $100.

Rules this board out

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

Get the

Yunzii B75 Pro Max

Battery

Build quality in the top 15% of 75% boards under $100.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

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 V1 Ultra

Yunzii B75 Pro Max

  • Battery

    4,000 mAh

    8,000 mAh

    A larger battery means fewer cables during the day

  • Switch options

    Linear, Tactile

    Linear

  • Display

    None

    TFT

    A case display rather than a typing feature

  • Weight

    770 g

    993 g

    Heavier boards stay planted and lighter ones travel

  • Sound dampening

    Yes

    No

KeebFinder scores

How we score
  • Keychron V1 Ultra
  • Yunzii B75 Pro Max
Performance
91
84
Build quality
84
80
Productivity
98
73
Customizability
94
88
Portability
79
90

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • QMK
See every spec side by side

Full specs

Keychron V1 Ultra vs Yunzii B75 Pro Max specs

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

11 of 27 specs differ

Keychron V1 Ultra

Yunzii B75 Pro Max

Typing & switches

Switch options

Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
75%

Layout standard

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

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
TFT

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

8,000 Hz
—

Battery

4,000 mAh
8,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Plastic
—

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

770 g
993 g

Dimensions

29 x 329 x 149 mm
42 x 334 x 144 mm

Typing angle

4°
—

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
Yes

VIA

Yes
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2026
2025

For EU buyers

ISO layouts by store

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

Keychron V1 Ultra

  • Keychron (DE)

    ISO-DE, ISO-FR, ISO-ES

    In stockDoes not ship to you

Yunzii B75 Pro Max

No ISO layout at the stores we track.

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.

Lowest price across stores, Amazon excluded.

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