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Head to head · Prices checked Oct 23, 2026

Jamesdonkey A3 vs Yunzii RT75

Get the Yunzii RT75 for hall effect and rapid trigger.

YUNZII RT75 Rapid Trigger Gaming Magnetic Keyboard

Hall effect

Yunzii RT75

from$71

90-day low

Check priceSee all prices

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

Yunzii RT75

  • Hall effect (magnetic)

    No

    Yes

  • Rapid trigger

    No

    Yes

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired, Bluetooth, 2.4 GHz

  • Battery

    3,000 mAh

    4,000 mAh

  • Switch options

    Clicky, Linear, Tactile

    Magnetic

KeebFinder scores

How we score
  • Jamesdonkey A3
  • Yunzii RT75
Performance
61
99
Build quality
66
65
Productivity
91
85
Customizability
85
69
Portability
79
81

What they share

  • Layout size: 75%
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Jamesdonkey A3 vs Yunzii RT75 specs

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

12 of 26 specs differ

Jamesdonkey A3

Yunzii RT75

Typing & switches

Switch options

Clicky, Linear, Tactile
Magnetic

Hall effect (magnetic)

No
Yes

Rapid trigger

No
Yes

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, JIS

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

—
8,000 Hz

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
962 g

Dimensions

40 x 136 x 321 mm
42 x 334 x 144 mm

Backlight

RGB
RGB, south-facing

Firmware & software

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
Yunzii RT752 stores
  • AmazonGlobal

    Check price
    Visit
  • YunziiCN

    Out of stock
    $71Visit

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