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Head to head · Prices checked Oct 21, 2026

Jamesdonkey A3 3.0 vs Nuphy Air75 V3

Get the Nuphy Air75 V3 for the 4,000 mAh battery and via.

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

Nuphy Air75 V3

  • Battery

    3,750 mAh

    4,000 mAh

  • Low profile

    No

    Yes

  • VIA

    No

    Yes

  • Layout standard

    ANSI

    ANSI, ISO, ISO-DE, ISO-FR, ISO-UK, JIS

  • Screw-in stabilizers

    No

    Yes

KeebFinder scores

How we score
  • Jamesdonkey A3 3.0
  • Nuphy Air75 V3
Performance
54
82
Build quality
60
88
Productivity
80
97
Customizability
82
98
Portability
76
81

What they share

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

Full specs

Jamesdonkey A3 3.0 vs Nuphy Air75 V3 specs

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

9 of 28 specs differ

Jamesdonkey A3 3.0

Nuphy Air75 V3

Typing & switches

Switch options

—
Clicky, Linear, Low-profile 3.0, Mechanical, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Low profile

No
Yes

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-FR, ISO-UK, JIS

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

3,750 mAh
4,000 mAhBetter

USB-C

No
Yes

Build & materials

Case material

—
ABS, Aluminum, Plastic, Polycarbonate

Plate material

—
Aluminum, Polycarbonate

Keycaps

PBT
PBT

Weight

—
750 g

Dimensions

42 x 148 x 329 mm
13 x 319 x 129 mm

Typing angle

—
10°, 5°

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

Yes
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
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
  • Input GearDE

    In stock
    $135Visit
  • NuphyUS

    In stock
    $140Visit
  • ktechsSG

    In stock
    $185Visit
  • AmazonGlobal

    Check price
    Visit

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