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Head to head · Prices checked Nov 11, 2026

Keychron Lemokey X4 vs Yunzii YZ84

Get the Keychron Lemokey X4 for knob and qmk.

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Quick verdict

Which one should you get?

Get the

Keychron Lemokey X4

Knob

Build quality in the top 10% of 75% boards under $50.

Rules this board out

  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Yunzii YZ84

Build quality in the bottom 20% of 75% boards under $50.

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 Lemokey X4

Yunzii YZ84

  • Connection

    Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Knob

    Yes

    No

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • Sound dampening

    Yes

    No

  • Keycaps

    ABS, PBT

    PBT

KeebFinder scores

How we score
  • Keychron Lemokey X4
  • Yunzii YZ84
Performance
74
80
Build quality
82
54
Productivity
96
77
Customizability
82
70
Portability
64
81

What they share

  • Layout size: 75%
  • Hot-swappable
  • Switch options: Clicky, Linear, Tactile
See every spec side by side

Full specs

Keychron Lemokey X4 vs Yunzii YZ84 specs

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

8 of 24 specs differ

Keychron Lemokey X4

Yunzii YZ84

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Screw-in stabilizers

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

USB-C

Yes
Yes

Build & materials

Case material

ABS, Plastic
—

Plate material

Polycarbonate
—

Keycaps

ABS, PBT
PBT

Weight

712 g
—

Dimensions

41 x 325 x 145 mm
—

Typing angle

10°
—

Backlight

Yes, south-facing
RGB

Firmware & software

QMK

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

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.

Yunzii YZ842 stores

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