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Head to head · Prices checked Oct 21, 2026

Jamesdonkey RS2 4.0 vs Skyloong GK87Pro

Get the Skyloong GK87Pro for the 7,200 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

Skyloong GK87Pro

  • Layout size

    96%

    87%

  • Battery

    4,000 mAh

    7,200 mAh

  • Ergonomics

    Standard

    Split Spacebar

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Display

    None

    LCD, TFT

KeebFinder scores

How we score
  • Jamesdonkey RS2 4.0
  • Skyloong GK87Pro
Performance
58
62
Build quality
71
71
Productivity
93
83
Customizability
82
82
Portability
53
62

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • Mount style: Gasket Mount
  • Knob
  • 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 RS2 4.0

No owner reviews collected yet.

Skyloong GK87Pro

3.1

8 owner reviews

Praise
“Many functions, infinite customisaton, both the software and the hardware. Switches are good, consistent and most imoortantly they THOCC ♥️”
Bence N.Verified buyer· via Epomaker
Critique
“They didn't ship my order and even force me to cancellation. Some out of stock bs”
RovshanVerified buyer· via Epomaker

Full specs

Jamesdonkey RS2 4.0 vs Skyloong GK87Pro 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

Skyloong GK87Pro

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%
87%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Split Spacebar

Knob

Yes
Yes

Display

None
LCD, TFT

Media keys

Yes
No

Connectivity & battery

Connection

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

Battery

4,000 mAh
7,200 mAhBetter

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Keycaps

PBT
PBT

Weight

1,150 g
3,800 g

Dimensions

34 x 405 x 138 mm
163 x 290 x 530 mm

Backlight

RGB
RGB

Firmware & software

QMK

Yes
No

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2023

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
  • MechkeysCN

    In stock
    $99Visit
  • AmazonGlobal

    Check price
    ~$99Visit
  • WhatGeekCN

    Out of stock
    $129Visit

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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