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Head to head · Prices checked Oct 21, 2026

Jamesdonkey A3 3.0 vs LANGTU LT84

Get the Jamesdonkey A3 3.0 for qmk and media keys. Get the LANGTU LT84 for 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.

Jamesdonkey A3 3.0

LANGTU LT84

  • Rapid trigger

    No

    Yes

  • Mount style

    Gasket Mount

    Sandwich Mount

  • Display

    None

    Yes

  • QMK

    Yes

    No

  • Media keys

    Yes

    No

KeebFinder scores

How we score
  • Jamesdonkey A3 3.0
  • LANGTU LT84
Performance
54
75
Build quality
60
50
Productivity
80
84
Customizability
82
73
Portability
76
77

What they share

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

Full specs

Jamesdonkey A3 3.0 vs LANGTU LT84 specs

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

9 of 20 specs differ

Jamesdonkey A3 3.0

LANGTU LT84

Typing & switches

Rapid trigger

No
Yes

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Sandwich Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
Yes

Media keys

Yes
No

Connectivity & battery

Connection

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

Battery

3,750 mAh
—

USB-C

No
Yes

Build & materials

Keycaps

PBT
PBT

Dimensions

42 x 148 x 329 mm
29 x 138 x 362 mm

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
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
LANGTU LT842 stores
  • MechkeysCN

    In stock
    $89Visit
  • AmazonGlobal

    Check price
    ~$89Visit

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