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

Head to head · Prices checked Oct 21, 2026

Jamesdonkey A3 vs Royal Kludge R75

Get the Royal Kludge R75 for the 4,000 mAh battery 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

Royal Kludge R75

  • Battery

    3,000 mAh

    4,000 mAh

  • Switch options

    Clicky, Linear, Tactile

    Linear

  • Weight

    1,000 g

    680 g

  • QMK

    No

    Yes

  • VIA

    No

    Yes

KeebFinder scores

How we score
  • Jamesdonkey A3
  • Royal Kludge R75
Performance
62
72
Build quality
66
79
Productivity
91
93
Customizability
85
88
Portability
79
79

What they share

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

Full specs

Jamesdonkey A3 vs Royal Kludge R75 specs

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

10 of 25 specs differ

Jamesdonkey A3

Royal Kludge R75

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

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

Battery

3,000 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, PBT, Plastic, Polycarbonate
—

Plate material

Polycarbonate
—

Keycaps

PBT
PBT

Weight

1,000 g
680 g

Dimensions

40 x 136 x 321 mm
42 x 323 x 42 mm

Backlight

RGB
RGB

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2022
2024

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
  • Royal KludgeUS

    In stock
    $59Visit
  • AmazonGlobal

    Check price
    Visit

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.