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Head to head · Prices checked Oct 21, 2026

Jamesdonkey A3 3.0 vs Yunzii RT Pro HE

Get the Jamesdonkey A3 3.0 for qmk. Get the Yunzii RT Pro HE for hall effect and rapid trigger.

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.

Jamesdonkey A3 3.0

Yunzii RT Pro HE

  • Hall effect (magnetic)

    No

    Yes

  • Rapid trigger

    No

    Yes

  • Battery

    3,750 mAh

    8,000 mAh

  • Mount style

    Gasket Mount

    Top Mount

  • QMK

    Yes

    No

KeebFinder scores

How we score
  • Jamesdonkey A3 3.0
  • Yunzii RT Pro HE
Performance
54
99
Build quality
60
57
Productivity
80
83
Customizability
82
66
Portability
76
92

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Jamesdonkey A3 3.0 vs Yunzii RT Pro HE specs

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

12 of 24 specs differ

Jamesdonkey A3 3.0

Yunzii RT Pro HE

Typing & switches

Switch options

—
Linear, Magnetic

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Top Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

—
8,000 Hz

Battery

3,750 mAh
8,000 mAhBetter

USB-C

No
Yes

Build & materials

Keycaps

PBT
PBT, PC

Weight

—
1,129 g

Dimensions

42 x 148 x 329 mm
38 x 332 x 137 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

Yes
No

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $89Visit
  • AmazonGlobal

    Check price
    ~$89Visit
  • YunziiCN

    In stock
    $79Visit
  • AmazonGlobal

    Check price
    ~$79Visit

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