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Head to head · Prices checked Nov 11, 2026

Redragon K628 Pollux vs Yunzii B75

Get the Yunzii B75 for knob and sound dampening.

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Quick verdict

Which one should you get?

Get the

Redragon K628 Pollux

Build quality in the bottom 25% of 75% boards under $50.

Get the

Yunzii B75

Knob

Build quality in the top 50% of 75% boards under $50.

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.

Redragon K628 Pollux

Yunzii B75

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Mount style

    Bottom Mount

    Gasket Mount

  • Knob

    No

    Yes

  • Weight

    470 g

    797.5 g

    Heavier boards stay planted and lighter ones travel

  • Sound dampening

    No

    Yes

KeebFinder scores

How we score
  • Redragon K628 Pollux
  • Yunzii B75
Performance
78
82
Build quality
56
70
Productivity
61
89
Customizability
58
76
Portability
61
68

What they share

  • Layout size: 75%
  • Connection: Wired
  • Hot-swappable
See every spec side by side

Full specs

Redragon K628 Pollux vs Yunzii B75 specs

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

9 of 19 specs differ

Redragon K628 Pollux

Yunzii B75

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Bottom Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Connectivity & battery

Connection

Wired
Wired

USB-C

Yes
Yes

Build & materials

Case material

Plastic
—

Keycaps

ABS
PBT

Weight

470 g
797.5 g

Dimensions

—
42 x 144 x 334 mm

Backlight

RGB
RGB, south-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2023
2024

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.

Yunzii B752 stores

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