Compare Keychron B33 vs Lemokey X4 Differences Side by Side

This comparison is for buyers deciding between Keychron's versatile low-profile model and their more traditional, customizable offering. The decision hinges on whether you prioritize wireless connectivity and a slim, quiet form factor or prefer a wired, highly modifiable keyboard with open-source firmware. Both share a gasket mount design and similar price points, making the choice about core use rather than cost.

Model
	66	85	Select a keyboard to compare
Rating	4.7 stars (3 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2025 Features a low-profile design Available in a 80% layout Provides dedicated media keys Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 4000 mAh battery Weighs about 1977 g Sized at 33 x 370 x 146 mm Made with a Metal, ABS case Features PBT, ABS keycaps Offers No RGB lighting	Released in 2024 Supports hot-swappable switches Available in a 75% layout Comes with a knob Supports QMK firmware Supports Wired, Wired only connectivity 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: 56.4 Build Quality: 65.7 Productivity: 85.3 Customizability: 51.9 Portability: 73.6	Scores Performance: 75.2 Build Quality: 81.5 Productivity: 95.2 Customizability: 83.2 Portability: 67
Name	Name Keychron B33	Name Keychron Lemokey X4
Release year	Release year 2025	Release year 2024
Switch Options	Switch Options Linear, Tactile, Clicky	Switch Options Linear, Tactile, Clicky
Profile	Profile Low 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 Bluetooth, 2.4 GHz, Wired, Wireless	Connection Wired, Wired only
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 4000 mAh	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 Gasket Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight	Backlight South-face, North-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material Metal, ABS	Case Material ABS, Plastic
Keycaps Material	Keycaps Material PBT, ABS	Keycaps Material ABS, PBT
Dimensions	Dimensions 33 x 370 x 146 mm	Dimensions 41 x 325 x 145 mm
Weight	Weight 1977g	Weight 712g

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Pros and Trade-offs

Your primary need dictates the choice. If you must have wireless operation for a clean desk or need to type quietly in a shared space, the Keychron B33 is the logical pick. If you plan to customize your switches, want to program complex macros with QMK, or prioritize the feel of a traditional mechanical keyboard for gaming, the Lemokey X4 is the better tool for the job. Both represent strong values in their respective lanes.

Keychron B33

+Tri-mode wireless connectivity with 2.4 GHz, Bluetooth 5.2, and wired USB-C.
+Silent typing experience with a scissor switch mechanism and pre-lubed keys.
+Long battery life, with the manufacturer claiming up to 320 hours of use.
+Low-profile design with adjustable typing angles (6.5° and 9°).
+Includes a magnetic storage slot for the 2.4 GHz wireless receiver.

−Uses a scissor switch mechanism, not traditional mechanical switches.
−No backlighting or RGB lighting of any kind.
−Keycaps are ABS, which may develop shine over time.
−Lacks hot-swap sockets for easy switch replacement.

Keychron Lemokey X4

+Fully hot-swappable PCB for easy switch customization.
+Supports QMK/VIA open-source firmware for limitless key remapping.
+Includes a programmable aluminum knob and red backlighting with multiple effects.
+Features a gasket mount with a polycarbonate plate for a flexible typing feel.
+Comes with double-shot shine-through keycaps (ABS or PBT options).

−Wired-only connectivity, with no wireless option.
−Heavier build at 712 grams.
−Backlighting is limited to red LEDs only.
−Uses plate-mounted stabilizers, which some modders prefer to replace.

Which Keyboard Is Better for Your Needs?

The B33 is the clear choice for office workers and travelers who need a quiet, wireless keyboard that can connect to multiple devices. The X4 dominates for gamers, programmers, and modders who value the performance of a wired connection, deep programmability with QMK, and a hot-swappable design. For content creation, both offer useful, albeit different, macro and shortcut capabilities.

GamingKeychron Lemokey X4

•The X4 features a 1000 Hz polling rate for wired use, which the manufacturer states makes latency 'hardly noticeable'.
•It includes N-key rollover for accurate simultaneous keypress registration.
•The X4's traditional mechanical switches may offer more tactile feedback for gaming compared to the B33's scissor mechanism.

OfficeKeychron B33

•The B33 offers tri-mode connectivity (2.4 GHz, Bluetooth 5.2, wired) for easy switching between devices.
•Its silent typing and scissor mechanism are described as ideal for shared spaces.
•The B33's vendor page highlights a long battery life, with up to 320 hours of claimed wireless use.

ProgrammingKeychron Lemokey X4

•The X4 supports QMK open-source firmware, allowing for extensive key remapping and macro creation.
•Its 75% layout retains arrow keys and some navigation keys in a compact form.
•The inclusion of a programmable knob on the X4 can be mapped to useful functions like scrolling or volume.

TravelKeychron B33

•The B33 is significantly lighter at 550g (per its vendor specs) compared to the X4's 712g.
•Wireless operation via Bluetooth or a 2.4 GHz dongge removes the need for a cable.
•Its low-profile design and adjustable angles may make it easier to pack.

ModdingKeychron Lemokey X4

•The X4 is hot-swappable, allowing for easy switch changes without soldering.
•It uses a polycarbonate plate and gasket mount, which are common modding platforms.
•QMK firmware support provides deep programmability at the firmware level.

Content CreationTie

•The B33 offers multimedia shortcut keys and wireless convenience for a clean desk setup.
•The X4 provides a programmable knob and QMK macros that can be tailored to editing software.
•Both support multi-OS compatibility (Windows, macOS, Linux).