Head to head · Prices checked Oct 29, 2026

Jamesdonkey A3 vs Nuphy Air75 V3

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

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Jamesdonkey A3

from$89at Mechkeys

Compare 3 stores

Battery

Nuphy Air75 V3

from$135at Input Gear

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Jamesdonkey A3

Build quality in the top 50% of 75% boards under $100.

Rules this board out

No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$89 at Mechkeys

Get the

Nuphy Air75 V3

Battery

Build quality in the top 5% of 75% boards under $150.

Rules this board out

Low-profile switches and keycaps only. Standard MX keycaps will not fit.
North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

$135 at Input Gear

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

Nuphy Air75 V3

Battery
3,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Low profile
No
Yes
Case material
ABS, PBT, Plastic, Polycarbonate
ABS, Aluminum, Plastic, Polycarbonate
Switch options
Clicky, Linear, Tactile
Clicky, Linear, Low-profile 3.0, Mechanical, Tactile
Weight
1,000 g
750 g
Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score

Jamesdonkey A3
Nuphy Air75 V3

Performance: 61
82
Build quality: 66
88
Productivity: 91
97
Customizability: 85
98
Portability: 79
82

What they share

Layout size: 75%
Connection: Bluetooth, 2.4 GHz, Wired
Hot-swappable
Mount style: Gasket Mount
Knob
Sound dampening

See every spec side by side

Full specs

Jamesdonkey A3 vs Nuphy Air75 V3 specs

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

12 of 28 specs differ

Spec

Jamesdonkey A3

Nuphy Air75 V3

Typing & switches

Switch options

Clicky, Linear, Tactile

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

Hot-swappable

Yes

Mount style

Gasket Mount

Low profile

Yes

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

75%

Layout standard

ANSI

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

Ergonomics

Standard

Knob

Yes

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Max polling rate

—

1,000 Hz

Battery

3,000 mAh

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS, PBT, Plastic, Polycarbonate

ABS, Aluminum, Plastic, Polycarbonate

Plate material

Polycarbonate

Aluminum, Polycarbonate

Keycaps

PBT

Weight

1,000 g

750 g

Dimensions

40 x 136 x 321 mm

13 x 319 x 129 mm

Typing angle

—

10°, 5°

Backlight

RGB

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2022

2024

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Jamesdonkey A3

No ISO layout at the stores we track.

Nuphy Air75 V3

Input Gear
ISO-DE
In stockShips to you
Input Gear
ISO-FR
In stockShips to you
Input Gear
ISO-DE
In stockShips to you

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

Jamesdonkey A33 stores