Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Oct 21, 2026

Jamesdonkey A3 vs R2

Get the Jamesdonkey R2 for the 6,000 mAh battery.

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

Jamesdonkey R2

  • Layout size

    75%

    100%

  • Battery

    3,000 mAh

    6,000 mAh

  • Case material

    ABS, PBT, Plastic, Polycarbonate

    Aluminum

  • Switch options

    Clicky, Linear, Tactile

    Clicky

  • Weight

    1,000 g

    2,205 g

KeebFinder scores

How we score
  • Jamesdonkey A3
  • Jamesdonkey R2
Performance
62
57
Build quality
66
65
Productivity
91
88
Customizability
85
82
Portability
79
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 vs R2 specs

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

10 of 23 specs differ

Jamesdonkey A3

Jamesdonkey R2

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

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

3,000 mAh
6,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, PBT, Plastic, Polycarbonate
Aluminum

Plate material

Polycarbonate
FR4

Keycaps

PBT
PBT

Weight

1,000 g
2,205 g

Dimensions

40 x 136 x 321 mm
45 x 401 x 146 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2022
2023

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
  • WhatGeekCN

    Out of stock
    $89Visit
  • MechkeysCN

    In stock
    $149Visit
  • AmazonGlobal

    Check price
    ~$149Visit
  • WhatGeekCN

    Out of stock
    $179Visit

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.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.