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Head to head · Prices checked Oct 23, 2026

Ducky Tinker 75 ProjectD vs Redragon K721

Get the Ducky Tinker 75 ProjectD for qmk. Get the Redragon K721 for hall effect and rapid trigger.

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.

Ducky Tinker 75 ProjectD

Redragon K721

  • Hall effect (magnetic)

    No

    Yes

  • Rapid trigger

    No

    Yes

  • Switch options

    Clicky, Linear, Tactile

    Linear, Magnetic

  • Mount style

    Plate Mount

    Gasket Mount

  • QMK

    Yes

    No

KeebFinder scores

How we score
  • Ducky Tinker 75 ProjectD
  • Redragon K721
Performance
82
98
Build quality
73
59
Productivity
89
52
Customizability
88
55
Portability
63
58

What they share

  • Layout size: 75%
  • Connection: Wired
  • Hot-swappable
See every spec side by side

Full specs

Ducky Tinker 75 ProjectD vs Redragon K721 specs

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

12 of 24 specs differ

Ducky Tinker 75 ProjectD

Redragon K721

Typing & switches

Switch options

Clicky, Linear, Tactile
Linear, Magnetic

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

Hot-swappable

Yes
Yes

Mount style

Plate Mount
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Wired
Wired

Max polling rate

—
8,000 Hz

USB-C

Yes
No

Build & materials

Case material

Plastic
—

Plate material

FR4
—

Weight

—
803 g

Dimensions

—
43 x 335 x 140 mm

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
No

Extras

Released

2024
2025

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

  • MKUS

    In stock
    $74Visit
  • AmazonGlobal

    Check price
    ~$74Visit
  • AmazonGlobal

    Check price
    ~$69Visit
  • WhatGeekCN

    Out of stock
    $69Visit

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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