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Head to head · Prices checked Oct 23, 2026

Jamesdonkey RS2 4.0 vs Keychron C2

Keychron C2 Wired Mechanical Keyboard

Keychron C2

4.8 · 214 reviews

from$43

90-day low

Check priceSee all prices

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

Keychron C2

  • Layout size

    96%

    100%

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

  • Case material

    Aluminum

    ABS, Plastic

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Mount style

    Gasket Mount

    Tray Mount

KeebFinder scores

How we score
  • Jamesdonkey RS2 4.0
  • Keychron C2
Performance
58
66
Build quality
71
63
Productivity
93
77
Customizability
82
76
Portability
53
48

What they share

  • Hot-swappable
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Jamesdonkey RS2 4.0

No owner reviews collected yet.

Keychron C2

4.8

214 owner reviews

Praise
“really liking this keyboard. the only problem is the "screen capture" key isn't working and i cant find a way to program it .... well at list an simple one :)”
Amit R.Verified buyer· via Keychron

Full specs

Jamesdonkey RS2 4.0 vs Keychron C2 specs

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

11 of 22 specs differ

Jamesdonkey RS2 4.0

Keychron C2

Typing & switches

Switch options

Linear
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Sound dampening

Yes
No

Layout

Layout size

96%
100%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

—
1,000 Hz

Battery

4,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
ABS, Plastic

Keycaps

PBT
ABS

Weight

1,150 g
—

Dimensions

34 x 405 x 138 mm
—

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2024
2020

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
Keychron C23 stores
  • AmazonGlobal

    Check price
    Visit
  • KeychronHK

    Out of stock
    $43Visit
  • Keychron (DE)DE

    Out of stock
    $101Visit

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