Head to head · Prices checked Oct 30, 2026

Jamesdonkey A3 vs Keychron K2 Pro

Get the Jamesdonkey A3 for knob. Get the Keychron K2 Pro for the 4,000 mAh battery.

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Knob

Jamesdonkey A3

No reviews

from$89at Mechkeys

Compare 3 stores

Battery

Keychron K2 Pro

4.9 · 16 reviews

from$89at Keychron

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Jamesdonkey A3

Knob

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

Keychron K2 Pro

Battery

Build quality in the top 5% of 75% boards under $100.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

$89 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

Keychron K2 Pro

Connection
Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Battery
3,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Case material
ABS, PBT, Plastic, Polycarbonate
ABS, Aluminum, Plastic
Mount style
Gasket Mount
PCB Mount, Plate Mount, Tray Mount
Knob
Yes
No

KeebFinder scores

How we score

Jamesdonkey A3
Keychron K2 Pro

Performance: 61
82
Build quality: 66
90
Productivity: 91
95
Customizability: 85
96
Portability: 79
79

What they share

Layout size: 75%
Hot-swappable
Switch options: Clicky, Linear, Tactile
Sound dampening

See every spec side by side

Full specs

Jamesdonkey A3 vs Keychron K2 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

Keychron K2 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

Gasket Mount

PCB Mount, Plate Mount, Tray Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

75%

Layout standard

ANSI

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

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

3,000 mAh

4,000 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS, PBT, Plastic, Polycarbonate

ABS, Aluminum, Plastic

Plate material

Polycarbonate

Steel

Keycaps

PBT

ABS, PBT

Weight

1,000 g

1,070 g

Dimensions

40 x 136 x 321 mm

25 x 317 x 122 mm

Typing angle

—

5°

Backlight

RGB

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2022

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.

Keychron K2 Pro

Keychron
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
In stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, 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 A33 stores