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Head to head · Prices checked Nov 10, 2026

Jamesdonkey R4 vs Lofree Foundation

Get the Jamesdonkey R4 for knob and qmk. Get the Lofree Foundation for sound dampening.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey R4

Knob

Build quality in the bottom 50% of 75% boards under $200.

Rules this board out

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

Get the

Lofree Foundation

Sound dampening

Build quality in the bottom 40% of 75% boards under $200.

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 R4

Lofree Foundation

  • Case material

    Aluminum

    ABS

  • Knob

    Yes

    No

  • Weight

    1,900 g

    972 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • Sound dampening

    No

    Yes

KeebFinder scores

How we score
  • Jamesdonkey R4
  • Lofree Foundation
Performance
54
68
Build quality
67
61
Productivity
63
77
Customizability
79
57
Portability
77
83

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Mount style: Gasket Mount
See every spec side by side

Full specs

Jamesdonkey R4 vs Lofree Foundation specs

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

13 of 22 specs differ

Jamesdonkey R4

Lofree Foundation

Typing & switches

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

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

Max polling rate

—
1,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

No
Yes

Build & materials

Case material

Aluminum
ABS

Keycaps

PBT
ABS, PC

Weight

1,900 g
972 g

Dimensions

45 x 150 x 329 mm
44 x 325 x 161 mm

Backlight

RGB, south-facing
White

Firmware & software

QMK

Yes
No

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2024
2023

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.

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