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Head to head · Prices checked Oct 21, 2026

Jamesdonkey James Donkey RS2 vs Keychron K4 Pro

Get the Jamesdonkey James Donkey RS2 for knob. Get the Keychron K4 Pro for the 4,000 mAh battery.

Keychron K4 Pro QMK/VIA Wireless Mechanical Keyboard

Battery

Keychron K4 Pro

4.7 · 7 reviews

from$69at Keychron

Shop nowSee 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 James Donkey RS2

Keychron K4 Pro

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

  • Battery

    3,000 mAh

    4,000 mAh

  • Mount style

    Gasket Mount

    Tray Mount

  • Knob

    Yes

    No

  • Weight

    950 g

    1,280 g

KeebFinder scores

How we score
  • Jamesdonkey James Donkey RS2
  • Keychron K4 Pro
Performance
45
81
Build quality
56
84
Productivity
86
95
Customizability
80
96
Portability
55
54

What they share

  • Layout size: 96%
  • Hot-swappable
  • Case material: ABS, Plastic
  • Switch options: Clicky, Linear, Tactile
  • Sound dampening
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 James Donkey RS2

No owner reviews collected yet.

Keychron K4 Pro

4.7

7 owner reviews

Praise
“I previously had a normal K4 and i love the new one, the only thing is that the stabilizers lube work is kinda bad and the space bar was very rattly but after some lube work the K4 pro retakes the perfect productivity keyboard.”
Adrian T.Verified buyer· via Keychron

Full specs

Jamesdonkey James Donkey RS2 vs Keychron K4 Pro specs

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

12 of 27 specs differ

Jamesdonkey James Donkey RS2

Keychron K4 Pro

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

—
1,000 Hz

Battery

3,000 mAh
4,000 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

ABS, Plastic
ABS, Plastic

Plate material

—
Steel

Keycaps

PBT
ABS, PBT

Weight

950 g
1,280 g

Dimensions

—
31 x 391 x 139 mm

Typing angle

—
3°

Backlight

White
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2022
2022

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • AmazonGlobal

    Check price
    ~$69Visit
  • MechkeysCN

    Out of stock
    $69Visit
  • KeychronHK

    In stock
    $69Visit
  • AmazonGlobal

    Check price
    Visit
  • Keychron (DE)DE

    Out of stock
    $120Visit

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