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Head to head · Prices checked Oct 21, 2026

Redragon ANTONIUM K745 HE vs Jamesdonkey A3

Get the Redragon ANTONIUM K745 HE for hall effect and rapid trigger. Get the Jamesdonkey A3 for knob.

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 K745 HE

Jamesdonkey A3

  • Hall effect (magnetic)

    Yes

    No

  • Rapid trigger

    Yes

    No

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

  • Switch options

    Magnetic

    Clicky, Linear, Tactile

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Redragon ANTONIUM K745 HE
  • Jamesdonkey A3
Performance
92
62
Build quality
61
66
Productivity
56
91
Customizability
53
85
Portability
44
79

What they share

  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Redragon ANTONIUM K745 HE vs Jamesdonkey A3 specs

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

12 of 26 specs differ

Redragon ANTONIUM K745 HE

Jamesdonkey A3

Typing & switches

Switch options

Magnetic
Clicky, Linear, Tactile

Hall effect (magnetic)

Yes
No

Rapid trigger

Yes
No

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

—
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

8,000 Hz
—

Battery

Wired only
3,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

—
ABS, PBT, Plastic, Polycarbonate

Plate material

—
Polycarbonate

Keycaps

PBT
PBT

Weight

1,382 g
1,000 g

Dimensions

38 x 455 x 147 mm
40 x 136 x 321 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2026
2022

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
  • MechkeysCN

    In stock
    $89Visit
  • AmazonGlobal

    Check price
    ~$89Visit
  • WhatGeekCN

    Out of stock
    $89Visit

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