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Head to head · Prices checked Oct 21, 2026

Redragon ANTONIUM K743 Pro vs Yunzii B75 Pro

Get the Yunzii B75 Pro for the 4,000 Hz polling rate.

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 ANTONIUM K743 Pro

Yunzii B75 Pro

  • Layout size

    80%

    75%

  • Max polling rate

    1,000 Hz

    4,000 Hz

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Display

    TFT

    None

  • Weight

    920 g

    937 g

KeebFinder scores

How we score
  • Redragon ANTONIUM K743 Pro
  • Yunzii B75 Pro
Performance
78
75
Build quality
76
60
Productivity
91
91
Customizability
78
78
Portability
70
80

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Plastic
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Redragon ANTONIUM K743 Pro vs Yunzii B75 Pro specs

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

10 of 24 specs differ

Redragon ANTONIUM K743 Pro

Yunzii B75 Pro

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

80%
75%

Layout standard

ANSI
ANSI, Dvorak, ISO

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

TFT
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
4,000 HzBetter

Battery

—
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Plate material

—
Aluminum

Keycaps

PBT
PBT, PC

Weight

920 g
937 g

Dimensions

37 x 373 x 140 mm
42 x 334 x 144 mm

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2024

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • RedragonCN

    In stock
    $69Visit
  • AmazonGlobal

    Check price
    ~$69Visit
  • YunziiCN

    In stock
    $79Visit
  • MechkeysCN

    In stock
    $79Visit
  • AmazonGlobal

    Check price
    Visit

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