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Head to head · Prices checked Oct 28, 2026

Jamesdonkey R2 vs PromoType Arterlier Lin Curve Pack

Get the Jamesdonkey R2 for hot-swappable and knob.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey R2

Hot-swappable

Build quality in the top 30% of 100% boards under $150.

Get the

PromoType Arterlier Lin Curve Pack

Build quality in the bottom 5% of 40% boards under $150.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Compact layout only. No function row, dedicated arrow keys, or 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

PromoType Arterlier Lin Curve Pack

  • Layout size

    100%

    40%

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Knob

    Yes

    No

  • Sound dampening

    Yes

    No

  • Keycaps

    PBT

    PC

KeebFinder scores

How we score
  • Jamesdonkey R2
  • PromoType Arterlier Lin Curve Pack
Performance
57
43
Build quality
65
42
Productivity
88
40
Customizability
82
40
Portability
65
61
See every spec side by side

Full specs

Jamesdonkey R2 vs PromoType Arterlier Lin Curve Pack specs

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

10 of 21 specs differ

Jamesdonkey R2

PromoType Arterlier Lin Curve Pack

Typing & switches

Switch options

Clicky
—

Hot-swappable

Yes
No

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

100%
40%

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
—

Battery

6,000 mAh
—

USB-C

Yes
No

Build & materials

Case material

Aluminum
—

Plate material

FR4
—

Keycaps

PBT
PC

Weight

2,205 g
—

Dimensions

45 x 401 x 146 mm
—

Backlight

RGB
None

Firmware & software

Mac & Windows

Yes
No

Extras

Released

2023
2026

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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