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Head to head · Prices checked Nov 2, 2026

Jamesdonkey R2 V2 vs Keychron Q3 Ultra

Get the Jamesdonkey R2 V2 for qmk. Get the Keychron Q3 Ultra for knob.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey R2 V2

QMK

Build quality in the bottom 45% of 96% boards under $200.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

Keychron Q3 Ultra

Knob

Build quality in the top 25% of 80% boards under $300.

Rules this board out

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

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 R2 V2

Keychron Q3 Ultra

  • Layout size

    96%

    80%

  • Mount style

    Gasket Mount

    Gasket Mount, Plate Mount

  • Knob

    No

    Yes

  • Weight

    1,950 g

    1,787 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Jamesdonkey R2 V2
  • Keychron Q3 Ultra
Performance
64
89
Build quality
65
74
Productivity
63
90
Customizability
75
77
Portability
52
78

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Case material: Aluminum
  • Keycaps: PBT
See every spec side by side

Full specs

Jamesdonkey R2 V2 vs Keychron Q3 Ultra specs

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

13 of 26 specs differ

Jamesdonkey R2 V2

Keychron Q3 Ultra

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount, Plate Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

96%
80%

Layout standard

ANSI
ANSI, ISO, ISO-CH, ISO-DE, ISO-ES, ISO-FR, ISO-UK

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

—
8,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

FR4
Polycarbonate

Keycaps

PBT
PBT

Weight

1,950 g
1,787 g

Dimensions

31 x 151 x 414 mm
31 x 365 x 137 mm

Typing angle

—
5°

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2026

For EU buyers

ISO layouts by store

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

Jamesdonkey R2 V2

No ISO layout at the stores we track.

Keychron Q3 Ultra

  • Keychron (DE)

    ISO-DE, ISO-FR, ISO-ES

    In stockDoes not ship to you

Where to buy

Compare prices

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

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Lowest price across stores, Amazon excluded.

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