Head to head · Prices checked Oct 30, 2026

Keychron K4 Pro vs Lemokey X4

Get the Keychron Lemokey X4 for knob.

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Keychron K4 Pro

4.7 · 7 reviews

from$69at Keychron

Compare 3 stores

Lemokey X4 QMK Wired Mechanical Keyboard

Knob

Keychron Lemokey X4

No reviews

from$34at Keychron

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Keychron K4 Pro

Build quality in the top 10% of 96% boards under $100.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

$69 at Keychron

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.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
No numpad.

$34 at Keychron

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 K4 Pro

Keychron Lemokey X4

Layout size
96%
75%
Connection
Bluetooth, Wired
Wired
Wireless for several devices and wired for lower latency
Mount style
Tray Mount
Gasket Mount
Knob
No
Yes
Weight
1,280 g
712 g
Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score

Keychron K4 Pro
Keychron Lemokey X4

Performance: 81
75
Build quality: 84
82
Productivity: 95
96
Customizability: 96
83
Portability: 54
65

What they share

Hot-swappable
Max polling rate: 1,000 Hz
Case material: ABS, Plastic
Switch options: Clicky, Linear, Tactile
QMK
Sound dampening

See every spec side by side

Full specs

Keychron K4 Pro vs Lemokey X4 specs

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

13 of 27 specs differ

Spec

Keychron K4 Pro

Keychron Lemokey X4

Typing & switches

Switch options

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

Tray Mount

Gasket Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

96%

75%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK

ANSI

Ergonomics

Standard

Knob

Yes

Display

None

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, Wired

Wired

Max polling rate

1,000 Hz

Battery

4,000 mAh

Wired only

USB-C

Yes

Build & materials

Case material

ABS, Plastic

Plate material

Steel

Polycarbonate

Keycaps

ABS, PBT

Weight

1,280 g

712 g

Dimensions

31 x 391 x 139 mm

41 x 325 x 145 mm

Typing angle

3°

10°

Backlight

RGB, south-facing

Yes, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2022

2024

For EU buyers

ISO layouts by store

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

Keychron K4 Pro

Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
In stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
Out of stockDoes not ship to you

Keychron Lemokey X4

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.

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Lowest price across stores, Amazon excluded.

Keychron K4 Pro3 stores