Compare Keychron Lemokey X0 vs Lemokey X4 Differences Side by Side

This comparison is for users deciding between a specialized gaming peripheral and a compact daily driver. Both the Keychron X0 and X4 share core features like QMK support, a 1000 Hz polling rate, and hot-swappable switches, making the choice difficult. The decision hinges on whether you prioritize a one-handed layout for maximum mouse space or a complete 75% layout for standalone productivity.

Model
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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Available in a 40% layout Uses a Tray Mount mounting style Weighs about 493 g Sized at 39 x 149 x 245 mm Made with a ABS case Features ABS keycaps Offers Yes, North-face RGB lighting	Available in a 75% layout Comes with a knob Connects via USB-C Includes screw-in stabilizers Has built-in sound dampening Uses a Gasket Mount mounting style Weighs about 712 g Sized at 41 x 325 x 145 mm Made with a ABS, Plastic case Features ABS, PBT keycaps Offers Yes, South-face, North-face RGB lighting
Score	Scores Performance: 65.3 Build Quality: 73.4 Productivity: 64.2 Customizability: 76.6 Portability: 72.8	Scores Performance: 75.2 Build Quality: 81.5 Productivity: 95.2 Customizability: 83.2 Portability: 67
Name	Name Keychron Lemokey X0	Name Keychron Lemokey X4
Release year	Release year 2024	Release year 2024
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 40%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Wired, Wired only	Connection Wired, Wired only
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity -	Battery capacity -
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Tray Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight North-face	Backlight South-face, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS	Case Material ABS, Plastic
Keycaps Material	Keycaps Material ABS	Keycaps Material ABS, PBT
Dimensions	Dimensions 39 x 149 x 245 mm	Dimensions 41 x 325 x 145 mm
Weight	Weight 493g	Weight 712g

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Pros and Trade-offs

Your primary need dictates the choice. If you want a dedicated macro pad or gaming peripheral that lives beside your mouse, the Keychron X0 is purpose-built for that role. If you need a single, capable keyboard for gaming, typing, and work, the Keychron X4's 75% layout and premium features like gasket mount make it the more versatile daily driver.

Keychron Lemokey X0

+Ultra-compact, one-handed 35-key design saves desk space.
+Includes an integrated silicone palm rest for comfort.
+Hot-swappable with QMK support for deep customization.
+Non-detachable cable has three routing grooves for management.

−Lacks a full alphanumeric layout, requiring a secondary keyboard for typing.
−Uses a tray mount design, which is typically less flexible than gasket mount.
−Comes only with ABS keycaps; no PBT option is listed.

Keychron Lemokey X4

+Versatile 75% layout includes arrow keys and function row.
+Gasket mount structure with a polycarbonate plate for a potentially improved typing feel.
+Includes sound dampening and screw-in stabilizers.
+Offers a choice between OEM ABS or Cherry profile PBT keycaps.

−Larger and heavier (712g) than the X0, less portable.
−No integrated wrist rest, unlike the X0.
−Higher price point compared to the X0.

Which Keyboard Is Better for Your Needs?

The X4 wins for general productivity, office work, and programming due to its complete 75% layout. The X0 is the clear choice for dedicated gaming and travel thanks to its compact, one-handed form factor. For modding, the X4's gasket mount and included features offer more to work with, while content creators can leverage the macro capabilities of either board effectively.

GamingKeychron Lemokey X0

•One-handed 35-key design maximizes mouse space for fast-paced games.
•Integrated silicone palm rest is built for extended gaming sessions.
•The vendor description positions it as a dedicated gaming keypad.

OfficeKeychron Lemokey X4

•75% layout includes arrow keys and function row for standard office tasks.
•Adjustable typing angles (4°, 8°, 10°) and PBT keycap option improve ergonomics.
•Full layout allows for standalone use without a secondary keyboard.

ProgrammingKeychron Lemokey X4

•75% layout provides dedicated arrow keys and punctuation keys essential for coding.
•Knob support offers potential for scrolling or macro control.
•Fuller key set reduces reliance on layers compared to the 40% X0.

TravelKeychron Lemokey X0

•Smaller dimensions (149 x 245 mm) and lighter weight (493g) are more portable.
•One-handed design takes up minimal bag space.
•Integrated wrist rest means one less accessory to carry.

ModdingKeychron Lemokey X4

•Gasket mount structure with a polycarbonate plate offers a different typing feel and sound profile.
•Includes screw-in stabilizers and sound dampening features from the factory.
•Offers a choice between ABS and PBT keycap sets in the box.

Content CreationTie

•Both support QMK and the Lemokey Launcher for extensive macro programming.
•Both have a 1000 Hz polling rate for responsive input.
•X0's vendor description mentions macros for video/audio editing, while X4's full layout is better for standalone software use.