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Head to head · Prices checked Oct 21, 2026

Jamesdonkey A3 3.0 vs Yunzii KC84

Get the Jamesdonkey A3 3.0 for knob and qmk.

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 KC84

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

  • Knob

    Yes

    No

  • QMK

    Yes

    No

  • Sound dampening

    Yes

    No

  • Media keys

    Yes

    No

KeebFinder scores

How we score
  • Jamesdonkey A3 3.0
  • Yunzii KC84
Performance
54
60
Build quality
60
40
Productivity
80
57
Customizability
82
63
Portability
76
61

What they share

  • Layout size: 75%
  • Hot-swappable
  • Keycaps: PBT
See every spec side by side

Full specs

Jamesdonkey A3 3.0 vs Yunzii KC84 specs

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

7 of 19 specs differ

Jamesdonkey A3 3.0

Yunzii KC84

Typing & switches

Switch options

—
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Battery

3,750 mAh
Wired only

Build & materials

Keycaps

PBT
PBT

Dimensions

42 x 148 x 329 mm
—

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2022

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
Yunzii KC842 stores
  • AmazonGlobal

    Check price
    ~$95Visit
  • MechkeysCN

    Out of stock
    $95Visit

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

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