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Head to head · Prices checked Nov 7, 2026

Redragon CENTAUR K506 vs Keychron Lemokey X3

Get the Keychron Lemokey X3 for hot-swappable and qmk.

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Quick verdict

Which one should you get?

Get the

Redragon CENTAUR K506

Build quality in the bottom 30% of 100% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

Keychron Lemokey X3

Hot-swappable

Build quality in the top 10% of 100% boards under $100.

Rules this board out

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

Redragon CENTAUR K506

Keychron Lemokey X3

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Case material

    Plastic

    ABS, Plastic

  • Mount style

    Bottom Mount

    Gasket Mount

  • Weight

    1,100 g

    807 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Redragon CENTAUR K506
  • Keychron Lemokey X3
Performance
63
83
Build quality
49
84
Productivity
51
96
Customizability
50
91
Portability
42
47

What they share

  • Layout size: 100%
  • Connection: Wired
See every spec side by side

Full specs

Redragon CENTAUR K506 vs Keychron Lemokey X3 specs

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

15 of 24 specs differ

Redragon CENTAUR K506

Keychron Lemokey X3

Typing & switches

Switch options

—
Clicky, Linear, Tactile

Hot-swappable

No
Yes

Mount style

Bottom Mount
Gasket Mount

Sound dampening

No
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

100%
100%

Layout standard

ISO, ISO-FR
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Wired
Wired

Max polling rate

—
1,000 Hz

USB-C

No
Yes

Build & materials

Case material

Plastic
ABS, Plastic

Plate material

—
Polycarbonate

Keycaps

—
ABS

Weight

1,100 g
807 g

Dimensions

35 x 440 x 135 mm
42 x 446 x 138 mm

Typing angle

—
9°

Backlight

RGB
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

Mac & Windows

No
Yes

Extras

Released

2025
2024

For EU buyers

ISO layouts by store

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

Redragon CENTAUR K506

Listed on the product, not split by store: ISO-FR.

Keychron Lemokey X3

No ISO layout at the stores we track.

Where to buy

Compare prices

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

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.

Lowest price across stores, Amazon excluded.

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