Keychron X1 vs X4: 80% vs 75% Layout & Mount Style Comparison

Compare Keychron Lemokey X1 vs Lemokey X4 Differences Side by Side

This comparison is for buyers deciding between two similar, budget-friendly wired keyboards from Keychron's Lemokey line. The choice is difficult because both share core features like 1000Hz polling, QMK programmability, and hot-swap sockets. The decision ultimately hinges on your preferred layout size, mounting style, and specific firmware support.

Model
Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Available in a 80% layout Supports VIA configuration Uses a Tray Mount mounting style Weighs about 837 g Sized at 37 x 357 x 129 mm Features ABS keycaps Offers Yes, North-face RGB lighting	Available in a 75% layout Comes with a knob Uses a Gasket Mount mounting style Weighs about 712 g Sized at 41 x 325 x 145 mm Features ABS, PBT keycaps Offers Yes, South-face, North-face RGB lighting
Score	Scores Performance: 75.4 Build Quality: 83 Productivity: 95.4 Customizability: 89.4 Portability: 58.3	Scores Performance: 75.2 Build Quality: 81.5 Productivity: 95.2 Customizability: 83.2 Portability: 67
Name	Name Keychron Lemokey X1	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 80%	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, Plastic	Case Material ABS, Plastic
Keycaps Material	Keycaps Material ABS	Keycaps Material ABS, PBT
Dimensions	Dimensions 37 x 357 x 129 mm	Dimensions 41 x 325 x 145 mm
Weight	Weight 837g	Weight 712g

Lemokey X1 QMK/VIA Wired Mechanical Keyboard

Lemokey X4 QMK Wired Mechanical Keyboard

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Available in a 80% layout
Supports VIA configuration
Uses a Tray Mount mounting style
Weighs about 837 g
Sized at 37 x 357 x 129 mm
Features ABS keycaps
Offers Yes, North-face RGB lighting

Available in a 75% layout
Comes with a knob
Uses a Gasket Mount mounting style
Weighs about 712 g
Sized at 41 x 325 x 145 mm
Features ABS, PBT keycaps
Offers Yes, South-face, North-face RGB lighting

Scores

Performance: 75.4
Build Quality: 83
Productivity: 95.4
Customizability: 89.4
Portability: 58.3

Scores

Performance: 75.2
Build Quality: 81.5
Productivity: 95.2
Customizability: 83.2
Portability: 67

Name

Keychron Lemokey X1

Name

Keychron Lemokey X4

Release year

2024

Release year

2024

Switch Options

Linear, Tactile, Clicky

Switch Options

Linear, Tactile, Clicky

Profile

Normal Profile

Profile

Normal Profile

Hot Swappable

Layout Size

80%

Layout Size

75%

Layout Standard

ANSI

Layout Standard

ANSI

Layout Ergonomics

Normal

Layout Ergonomics

Normal

Knob Support

Display Support

Mac/Win Support

Multi-Media Keys

USB-C

USB passthrough

Connection

Wired, Wired only

Connection

Wired, Wired only

Polling Rate

1000 Hz

Polling Rate

1000 Hz

Battery capacity

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

Tray Mount

Mount Style

Gasket Mount

Screw in Stabilizers

Sound Dampening

Backlight

North-face

Backlight

South-face, North-face

Case Colors

Case Material

ABS, Plastic

Case Material

ABS, Plastic

Keycaps Material

ABS

Keycaps Material

ABS, PBT

Dimensions

37 x 357 x 129 mm

Dimensions

41 x 325 x 145 mm

Weight

837g

Weight

712g

Pros and Trade-offs

Select the Keychron X1 if you value a larger layout with dedicated keys and the immediate convenience of VIA software. Opt for the Keychron X4 if you prefer a more compact keyboard, want to experiment with a gasket mount feel, or desire the included knob and PBT keycap option. Both are strong, programmable values at their price point.

Keychron Lemokey X1

+80% layout retains dedicated navigation cluster (Insert, Delete, etc.).
+Supports both QMK and VIA for flexible, easy programming.
+Steel plate provides a firm and consistent typing feel.
+North-facing RGB LEDs with shine-through ABS keycaps.
+Three cable routing grooves for desk management.

−Heavier at 837g and larger than the X4.
−Tray mount design may offer less flex than a gasket mount.
−Only includes ABS keycap material, no PBT option.

Keychron Lemokey X4

+More compact 75% layout saves desk space.
+Gasket mount structure with polycarbonate plate for a potentially more flexible typing feel.
+Offers a keycap option with Cherry profile, double-shot PBT.
+Includes support for an aluminum control knob.
+Lighter weight at 712g.

−Lacks direct VIA support, relying on QMK and the Lemokey Launcher web app.
−75% layout condenses navigation keys, requiring a function layer for some.
−The vendor description notes the purple keycap version uses south-facing LEDs, which may limit switch compatibility for some Cherry profile keycaps.

Which Keyboard Is Better for Your Needs?

The X1 holds advantages for office and programming use due to its larger layout with dedicated keys and VIA software. The X4 is better for travel and content creation, thanks to its smaller size, lighter weight, and included knob support. For gaming and modding, the keyboards are evenly matched, sharing critical performance and customization features.

GamingTie

•Both have a 1000 Hz polling rate for low latency.
•Both feature N-key rollover for accurate keypress registration.
•Both are wired-only for a stable connection.

OfficeKeychron Lemokey X1

•The X1's 80% layout retains dedicated navigation keys (like Insert, Delete) which are often used in office workflows.
•Its VIA software support allows for easy, on-the-fly key remapping without compiling firmware.
•The adjustable 2° and 7° typing angles provide ergonomic options.

ProgrammingKeychron Lemokey X1

•The X1's 80% layout includes dedicated navigation keys useful for code editing.
•Full QMK and VIA support offers deep, accessible keymap customization for macros and layers.
•The steel plate may provide a more consistent typing feel preferred by some typists.

TravelKeychron Lemokey X4

•The X4 is lighter at 712g compared to the X1's 837g.
•The X4 has a more compact 75% footprint, saving desk space.
•Its slightly smaller dimensions (325mm vs 357mm length) make it marginally more portable.

ModdingTie

•Both are hot-swappable for easy switch changes.
•Both feature screw-in stabilizers for modding.
•Both have sound-dampening foam pre-installed.
•The X4 offers a gasket mount and polycarbonate plate for a different sound/feel, while the X1's tray mount and steel plate are also moddable.

Content CreationKeychron Lemokey X4

•The X4 includes knob support, which can be mapped to volume scrubbing or brush size adjustments.
•One keycap option uses Cherry profile PBT, which may be more durable against shine from frequent use.
•The gasket mount may offer a more comfortable, less harsh typing experience during long sessions.

Frequently Asked Questions (FAQ)