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Head to head · Prices checked Nov 11, 2026

Jamesdonkey RS2 4.0 vs Skyloong GK87Pro

Get the Skyloong GK87Pro for the 7,200 mAh battery.

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Quick verdict

Which one should you get?

Get the

Jamesdonkey RS2 4.0

Build quality in the top 40% of 96% boards under $100.

Rules this board out

  • Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

Get the

Skyloong GK87Pro

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

    A larger battery means fewer cables during the day

  • Ergonomics

    Standard

    Split Spacebar

  • Switch options

    Linear

    Clicky, Linear, Tactile

  • Display

    None

    LCD, TFT

    A case display rather than a typing feature

KeebFinder scores

How we score
  • Jamesdonkey RS2 4.0
  • Skyloong GK87Pro
Performance
57
60
Build quality
70
71
Productivity
93
82
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

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.

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Lowest price across stores, Amazon excluded.

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