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Head to head · Prices checked Oct 21, 2026

Jamesdonkey A3 vs Ducky Tinker 75 ProjectD

Get the Jamesdonkey A3 for knob. Get the Ducky Tinker 75 ProjectD for 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

Ducky Tinker 75 ProjectD

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

  • Case material

    ABS, PBT, Plastic, Polycarbonate

    Plastic

  • Mount style

    Gasket Mount

    Plate Mount

  • Knob

    Yes

    No

  • QMK

    No

    Yes

KeebFinder scores

How we score
  • Jamesdonkey A3
  • Ducky Tinker 75 ProjectD
Performance
62
82
Build quality
66
73
Productivity
91
89
Customizability
85
89
Portability
79
63

What they share

  • Layout size: 75%
  • Hot-swappable
  • Switch options: Clicky, Linear, Tactile
  • Sound dampening
See every spec side by side

Full specs

Jamesdonkey A3 vs Ducky Tinker 75 ProjectD specs

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

10 of 25 specs differ

Jamesdonkey A3

Ducky Tinker 75 ProjectD

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Battery

3,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS, PBT, Plastic, Polycarbonate
Plastic

Plate material

Polycarbonate
FR4

Keycaps

PBT
—

Weight

1,000 g
—

Dimensions

40 x 136 x 321 mm
—

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

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
  • MKUS

    In stock
    $74Visit
  • AmazonGlobal

    Check price
    ~$74Visit

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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