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Head to head · Prices checked Oct 28, 2026

Jamesdonkey A3 3.0 vs R2

Get the Jamesdonkey A3 3.0 for qmk. Get the Jamesdonkey R2 for the 6,000 mAh battery and usb-c.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey A3 3.0

QMK

Build quality in the bottom 45% of 75% boards under $100.

Rules this board out

  • No numpad.

Get the

Jamesdonkey R2

Battery

Build quality in the top 30% of 100% boards under $150.

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

Jamesdonkey R2

  • Layout size

    75%

    100%

  • Battery

    3,750 mAh

    6,000 mAh

    A larger battery means fewer cables during the day

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • Released

    2024

    2023

  • USB-C

    No

    Yes

KeebFinder scores

How we score
  • Jamesdonkey A3 3.0
  • Jamesdonkey R2
Performance
54
57
Build quality
60
65
Productivity
80
88
Customizability
82
82
Portability
76
65

What they share

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

Full specs

Jamesdonkey A3 3.0 vs R2 specs

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

6 of 22 specs differ

Jamesdonkey A3 3.0

Jamesdonkey R2

Typing & switches

Switch options

—
Clicky

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

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

Battery

3,750 mAh
6,000 mAhBetter

USB-C

No
Yes

Build & materials

Case material

—
Aluminum

Plate material

—
FR4

Keycaps

PBT
PBT

Weight

—
2,205 g

Dimensions

42 x 148 x 329 mm
45 x 401 x 146 mm

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2024
2023

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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