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Head to head · Prices checked Nov 11, 2026

Redragon ANTONIUM K743 Pro vs Keychron B2 Pro

Get the Redragon ANTONIUM K743 Pro for hot-swappable.

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Quick verdict

Which one should you get?

Get the

Redragon ANTONIUM K743 Pro

Hot-swappable

Build quality in the top 20% of 80% 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.
  • No numpad.

Get the

Keychron B2 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.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

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

Keychron B2 Pro

  • Layout size

    80%

    96%

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Low profile

    No

    Yes

  • Case material

    Plastic

    ABS, Plastic

  • Switch options

    Linear

    Clicky, Linear, Tactile

KeebFinder scores

How we score
  • Redragon ANTONIUM K743 Pro
  • Keychron B2 Pro
Performance
78
50
Build quality
76
42
Productivity
91
69
Customizability
78
46
Portability
70
51

What they share

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

Full specs

Redragon ANTONIUM K743 Pro vs Keychron B2 Pro specs

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

16 of 25 specs differ

Redragon ANTONIUM K743 Pro

Keychron B2 Pro

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
No

Mount style

Gasket Mount
—

Low profile

No
Yes

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

80%
96%

Layout standard

ANSI
ANSI, ISO, JIS

Ergonomics

Standard
Standard

Knob

Yes
No

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
1,000 Hz

Battery

—
800 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
ABS, Plastic

Keycaps

PBT
ABS

Weight

920 g
585 g

Dimensions

37 x 373 x 140 mm
5 x 96 x 5 mm

Typing angle

—
3°

Backlight

RGB, south-facing
None

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2025
2025

For EU buyers

ISO layouts by store

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

Redragon ANTONIUM K743 Pro

No ISO layout at the stores we track.

Keychron B2 Pro

  • Keychron (DE)

    ISO

    In stockDoes not ship 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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