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Head to head · Prices checked Oct 30, 2026

Epomaker RT75 vs Jamesdonkey R2

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

Epomaker RT75

Build quality in the bottom 50% of 75% boards under $150.

Rules this board out

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

Get the

Jamesdonkey R2

Battery

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

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.

Epomaker RT75

Jamesdonkey R2

  • Layout size

    75%

    100%

  • Battery

    5,000 mAh

    6,000 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS

    Aluminum

  • Switch options

    Linear, Silent, Tactile

    Clicky

  • Knob

    No

    Yes

KeebFinder scores

How we score
  • Epomaker RT75
  • Jamesdonkey R2
Performance
64
57
Build quality
65
65
Productivity
76
88
Customizability
69
82
Portability
82
65

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Sound dampening
  • Keycaps: PBT
See every spec side by side

Full specs

Epomaker RT75 vs Jamesdonkey R2 specs

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

12 of 23 specs differ

Epomaker RT75

Jamesdonkey R2

Typing & switches

Switch options

Linear, Silent, Tactile
Clicky

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

TFT
None

Media keys

No
Yes

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

5,000 mAh
6,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Plate material

Polycarbonate
FR4

Keycaps

PBT
PBT

Weight

1,165 g
2,205 g

Dimensions

45 x 352 x 142 mm
45 x 401 x 146 mm

Typing angle

6°
—

Backlight

RGB, south-facing
RGB

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2026
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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