Head to head · Prices checked Oct 28, 2026

Jamesdonkey A3 3.0 vs Keychron Q3 Pro

Get the Keychron Q3 Pro for the 4,000 mAh battery and via.

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Jamesdonkey A3 3.0

No reviews

from$89at Mechkeys

Compare 2 stores

Battery

Keychron Q3 Pro

4.8 · 24 reviews

from$149at Keychron

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Jamesdonkey A3 3.0

Build quality in the bottom 45% of 75% boards under $100.

Rules this board out

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

$89 at Mechkeys

Get the

Keychron Q3 Pro

Battery

Build quality in the top 5% of 80% boards under $150.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No numpad.

$149 at Keychron

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

Keychron Q3 Pro

Layout size
75%
80%
Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Battery
3,750 mAh
4,000 mAh
A larger battery means fewer cables during the day
Mount style
Gasket Mount
Gasket Mount, Plate Mount
VIA
No
Yes
GUI remapping without compiling firmware

KeebFinder scores

How we score

Jamesdonkey A3 3.0
Keychron Q3 Pro

Performance: 54
82
Build quality: 60
89
Productivity: 80
97
Customizability: 82
98
Portability: 76
76

What they share

Hot-swappable
Knob
QMK
Sound dampening

See every spec side by side

Full specs

Jamesdonkey A3 3.0 vs Keychron Q3 Pro specs

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

13 of 27 specs differ

Spec

Jamesdonkey A3 3.0

Keychron Q3 Pro

Typing & switches

Switch options

—

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

Gasket Mount

Gasket Mount, Plate Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

75%

80%

Layout standard

ANSI

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK

Ergonomics

Standard

Knob

Yes

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Bluetooth, Wired

Max polling rate

—

1,000 Hz

Battery

3,750 mAh

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

—

Aluminum

Plate material

—

Polycarbonate

Keycaps

PBT

ABS, PBT

Weight

—

2,300 g

Dimensions

42 x 148 x 329 mm

31 x 144 x 415 mm

Typing angle

—

6°

Backlight

RGB

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2024

2023

For EU buyers

ISO layouts by store

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

Jamesdonkey A3 3.0

No ISO layout at the stores we track.

Keychron Q3 Pro

Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
In stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
In stockDoes not ship 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 A3 3.02 stores