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Head to head · Prices checked Nov 12, 2026

Keychron K8 vs Royal Kludge RK Sink87G

Get the Keychron K8 for hot-swappable and the 4,000 mAh battery.

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Quick verdict

Which one should you get?

Get the

Keychron K8

Hot-swappable

Build quality in the top 40% of 80% boards under $100.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

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 ISO layout. ISO-DE, UK, and other ISO variants are not offered.

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.

Keychron K8

Royal Kludge RK Sink87G

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Battery

    4,000 mAh

    1,850 mAh

    A larger battery means fewer cables during the day

  • Case material

    Aluminum, Plastic

    Plastic

  • Layout standard

    ANSI, ISO, ISO-DE, ISO-ES, ISO-Nordic, ISO-UK, JIS

    ANSI

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • Keychron K8
  • Royal Kludge RK Sink87G
Performance
61
58
Build quality
66
42
Productivity
65
59
Customizability
66
49
Portability
73
67

What they share

  • Layout size: 80%
  • Keycaps: ABS
See every spec side by side

Full specs

Keychron K8 vs Royal Kludge RK Sink87G specs

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

8 of 19 specs differ

Keychron K8

Royal Kludge RK Sink87G

Typing & switches

Switch options

Clicky, Linear, Tactile
—

Hot-swappable

Yes
No

Mount style

Tray Mount
—

Layout

Layout size

80%
80%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-Nordic, ISO-UK, JIS
ANSI

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Battery

4,000 mAhBetter
1,850 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
Plastic

Keycaps

ABS
ABS

Weight

—
1,100 g

Dimensions

—
39 x 360 x 135 mm

Typing angle

—
8°

Backlight

RGB, north-facing
RGB

Firmware & software

Mac & Windows

Yes
Yes

Extras

Released

2020
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.

Keychron K83 stores

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K8

Royal Kludge RK Sink87G

No ISO layout at the stores we track.

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