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Head to head · Prices checked Oct 21, 2026

Jamesdonkey RS2 4.0 vs RS2

Get the Jamesdonkey RS2 4.0 for qmk. Get the Jamesdonkey RS2 for the 6,000 mAh battery.

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 RS2 4.0

Jamesdonkey RS2

  • Battery

    4,000 mAh

    6,000 mAh

  • Case material

    Aluminum

    ABS, Aluminum, Plastic

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Weight

    1,150 g

    2,200 g

  • QMK

    Yes

    No

KeebFinder scores

How we score
  • Jamesdonkey RS2 4.0
  • Jamesdonkey RS2
Performance
58
68
Build quality
71
77
Productivity
93
85
Customizability
82
83
Portability
53
65

What they share

  • Layout size: 96%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Mount style: Gasket Mount
  • Knob
  • Sound dampening
See every spec side by side

Full specs

Jamesdonkey RS2 4.0 vs RS2 specs

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

7 of 22 specs differ

Jamesdonkey RS2 4.0

Jamesdonkey RS2

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

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

Battery

4,000 mAh
6,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Aluminum, Plastic

Plate material

—
FR4

Keycaps

PBT
PBT

Weight

1,150 g
2,200 g

Dimensions

34 x 405 x 138 mm
45 x 401 x 146 mm

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2024
2022

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    ~$99Visit
  • WhatGeekCN

    Out of stock
    $108Visit
  • AmazonGlobal

    Check price
    ~$89Visit
  • WhatGeekCN

    Out of stock
    $89Visit

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.

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