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Head to head · Prices checked Oct 30, 2026

Jamesdonkey R2 vs Keychron K10 Ultra

Get the Jamesdonkey R2 for the 6,000 mAh battery and knob.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey R2

Battery

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

Rules this board out

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

Get the

Keychron K10 Ultra

Build quality in the top 10% of 100% boards under $150.

Rules this board out

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

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

Keychron K10 Ultra

  • Battery

    6,000 mAh

    4,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum

    ABS, Aluminum, Plastic

  • Switch options

    Clicky

    Clicky, Linear, Tactile

  • Mount style

    Gasket Mount

    Plate Mount

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Jamesdonkey R2
  • Keychron K10 Ultra
Performance
57
90
Build quality
65
83
Productivity
88
94
Customizability
82
91
Portability
65
56

What they share

  • Layout size: 100%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Jamesdonkey R2 vs Keychron K10 Ultra specs

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

15 of 26 specs differ

Jamesdonkey R2

Keychron K10 Ultra

Typing & switches

Switch options

Clicky
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

100%
100%

Layout standard

ANSI
ANSI, ISO, JIS

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

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

Max polling rate

—
8,000 Hz

Battery

6,000 mAhBetter
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Aluminum, Plastic

Plate material

FR4
Steel

Keycaps

PBT
PBT

Weight

2,205 g
1,495 g

Dimensions

45 x 401 x 146 mm
29 x 448 x 140 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2026

For EU buyers

ISO layouts by store

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

Jamesdonkey R2

No ISO layout at the stores we track.

Keychron K10 Ultra

  • Keychron (DE)

    ISO

    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.

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