Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 23, 2026

Yunzii B75 Pro Max vs C75Screen & Firmware vs Aluminum Case

Choose the B75 Pro Max for deep customization and a screen, or the C75 for a more premium aluminum build and aesthetic design.

Quick verdict

Which one should you get?

Get the

Yunzii B75 Pro Max

Screen & Firmware

If you want

  • Features a customizable TFT screen for status info, GIFs, or photos.
  • Supports QMK and VIA open-source firmware for deep key remapping and macros.
  • Includes a programmable multi-function knob (default volume).

And can live with

  • Case material is not specified as aluminum, suggesting a plastic construction.
  • The screen may add complexity for users who prefer a simpler interface.
  • Uses double-shot PBT keycaps, while the C75 uses dye-sublimated PBT with a different profile.

Get the

Yunzii C75

Aluminum Case

If you want

  • Constructed with an aluminum case for a more premium feel.
  • Offers a wider range of aesthetic color options with themed 'Cake Meow' designs.
  • Vendor description confirms Bluetooth 5.0 connectivity.

And can live with

  • Lacks a screen and does not support QMK/VIA firmware.
  • Smaller 5500mAh battery compared to the B75 Pro Max.
  • Customization is limited to Windows software and an online website, per the vendor.

Bottom line

Your decision hinges on what you value more: customization potential or material quality. The Yunzii B75 Pro Max is the tool for tinkerers and power users who will utilize its screen, knob, and QMK/VIA firmware. The Yunzii C75 is the better pick if you prefer a keyboard with a sturdier aluminum build and a cohesive, cute aesthetic right out of the box, with simpler software.

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.

Yunzii B75 Pro Max

Yunzii C75

  • Battery

    8,000 mAh

    5,500 mAh

  • Switch options

    Linear

    Clicky, Linear

  • Knob

    Yes

    No

  • Display

    TFT

    None

  • Weight

    993 g

    1,008 g

KeebFinder scores

How we score
  • Yunzii B75 Pro Max
  • Yunzii C75
Performance
83
59
Build quality
80
55
Productivity
73
66
Customizability
88
60
Portability
90
92

What they share

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

Best for

What will you mostly use it for?

The B75 Pro Max is the clear choice for users who prioritize software customization, whether for programming, gaming, or content creation, thanks to its QMK/VIA support and programmable screen. The C75 matches it for general office and travel use, offering a similar wireless experience and explicit Mac/Windows support. For modders, the B75 Pro Max provides a stronger foundation with its open-source firmware and described internal foam layers.

For gaming

Pick the Yunzii B75 Pro Max

  • The B75 Pro Max lists a 1000 Hz polling rate in its specifications.
  • Its larger 8000mAh battery supports longer wireless gaming sessions.
  • N-key rollover is confirmed for both, but the B75 Pro Max's screen can display system status.

Full specs

Yunzii B75 Pro Max vs C75 specs

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

9 of 22 specs differ

Yunzii B75 Pro Max

Yunzii C75

Typing & switches

Switch options

Linear
Clicky, Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
None

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

8,000 mAhBetter
5,500 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
Aluminum

Keycaps

PBT
PBT

Weight

993 g
1,008 g

Dimensions

42 x 334 x 144 mm
44 x 336 x 162 mm

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
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.

Lowest price across stores, Amazon excluded.

  • YunziiCN

    In stock
    $84Visit
  • AmazonGlobal

    Check price
    Visit
Yunzii C753 stores
  • MechkeysCN

    In stock
    $91Visit
  • YunziiCN

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    Visit

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.

FAQ

Yunzii B75 Pro Max vs C75: your questions

The Yunzii B75 Pro Max offers superior software customization. It supports QMK and VIA open-source firmware, allowing for deep key remapping, macro creation, and layer programming. The Yunzii C75 uses proprietary Windows software and an online website, which is typically more limited in scope.

Yes, the specifications for the Yunzii C75 list its case material as aluminum. This is a key differentiator from the B75 Pro Max, whose case material is not specified as metal in the provided information.

The Yunzii B75 Pro Max has an 8000mAh battery, while the C75 has a 5500mAh battery. The larger capacity in the B75 Pro Max should, in theory, provide longer runtime between charges, assuming similar power draw from components like RGB lighting.

Yes, both the Yunzii B75 Pro Max and C75 feature hot-swappable PCBs. Their specifications confirm they support both 3-pin and 5-pin mechanical switches, allowing for easy switch replacement without soldering.

Both keyboards are compatible with macOS. The Yunzii C75 explicitly lists 'Mac/Win Support' in its extra features. The B75 Pro Max's vendor description also states compatibility with operating systems including Mac, and its QMK/VIA firmware is cross-platform.

According to Yunzii, the TFT screen on the B75 Pro Max can display status indicators like battery level, date, time, and the active operating system. It is also customizable, allowing you to upload GIFs or personal photos to display.

Yes. The B75 Pro Max uses double-shot PBT keycaps with a Cherry profile. The C75 uses dye-sublimation PBT keycaps with an MOA profile, which contributes to its distinct aesthetic with printed cake and cat designs.

Yes, both the Yunzii B75 Pro Max and C75 utilize a gasket mount structure. This design aims to provide a softer, more cushioned typing feel and can help reduce internal noise.

Both feature south-facing RGB LEDs. The C75's vendor description additionally mentions side-lighting and a dedicated 'smiley light', offering more lighting zones. The B75 Pro Max's description notes over 19 backlight modes.

The Yunzii C75's specifications list a 1000 Hz polling rate. A polling rate is not explicitly stated in the provided specifications for the B75 Pro Max, so a direct comparison cannot be made on this specific metric.

Yes. Yunzii states the multi-function knob on the B75 Pro Max is customizable via QMK/VIA software. While it defaults to volume control, you can remap its rotation and press functions to other commands.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.