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Head to head · Prices checked Oct 31, 2026

LingBao K87/K87 Pro vs Royal Kludge RK Sink87G

Get the LingBao K87/K87 Pro for hot-swappable and the 4,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

LingBao K87/K87 Pro

Hot-swappable

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Royal Kludge RK Sink87G

Build quality in the bottom 5% of 80% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • No numpad.

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.

LingBao K87/K87 Pro

Royal Kludge RK Sink87G

  • Layout size

    87%

    80%

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Battery

    4,000 mAh

    1,850 mAh

    A larger battery means fewer cables during the day

  • Weight

    1,050 g

    1,100 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • LingBao K87/K87 Pro
  • Royal Kludge RK Sink87G
Performance
83
58
Build quality
80
42
Productivity
79
59
Customizability
89
49
Portability
54
67

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Case material: Plastic
See every spec side by side

Full specs

LingBao K87/K87 Pro vs Royal Kludge RK Sink87G specs

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

12 of 23 specs differ

LingBao K87/K87 Pro

Royal Kludge RK Sink87G

Typing & switches

Switch options

Linear, Tactile
—

Hot-swappable

Yes
No

Mount style

Gasket Mount
—

Layout

Layout size

87%
80%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

4,000 mAhBetter
1,850 mAh

USB-C

No
Yes

Build & materials

Case material

Plastic
Plastic

Plate material

Polycarbonate
—

Keycaps

ABS, PBT
ABS

Weight

1,050 g
1,100 g

Dimensions

43 x 367 x 143 mm
39 x 360 x 135 mm

Typing angle

—
8°

Backlight

RGB, south-facing
RGB

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2025
2021

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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