Compare Keychron J1 vs Lemokey P1 Differences Side by Side

Both Keychron J1 and Lemokey P1 are 75% QMK/VIA keyboards with wireless options, but they cater to very different buyers. The J1 is a low-profile ABS board at just 661g, ideal for portability and a slim typing angle. The P1 is a heavy 1650g aluminum gasket-mount board with a knob, targeting enthusiasts who prioritize build quality and acoustic tuning. The decision is hard if you value both slim travel and a premium typing feel, as each excels in one area.

Model
	82	100	Select a keyboard to compare
Rating	3.0 stars (5 reviews)	5.0 stars (10 reviews)
Purchase Options
Main differences	Released in 2025 Features a low-profile design Built with the ANSI layout standard Equipped with a 2000 mAh battery Weighs about 661 g Sized at 23 x 327 x 144 mm Made with a ABS case Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting	Released in 2024 Built with the ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK layout standard Comes with a knob Includes screw-in stabilizers Uses a Gasket Mount mounting style Equipped with a 4000 mAh battery Weighs about 1650 g Sized at 31 x 140 x 322 mm Made with a Aluminum case Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
Score	Scores Performance: 81.7 Build Quality: 71.1 Productivity: 89 Customizability: 86.6 Portability: 79.7	Scores Performance: 83.4 Build Quality: 88.5 Productivity: 97.4 Customizability: 97.1 Portability: 78.9
Name	Name Keychron J1	Name Keychron Lemokey P1
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 75%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK
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 Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate 1000 Hz	Polling Rate 1000 Hz
Battery capacity	Battery capacity 2000 mAh	Battery capacity 4000 mAh
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 -	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, White, North-face	Backlight Rgb, South-face
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS	Case Material Aluminum
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 23 x 327 x 144 mm	Dimensions 31 x 140 x 322 mm
Weight	Weight 661g	Weight 1650g

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Pros and Trade-offs

If you prioritize portability and a low-profile typing experience, the Keychron J1 is a solid choice for office or travel use. However, if you value premium build quality, gasket mount comfort, and the flexibility of standard MX switches, the Lemokey P1 is the better investment for gaming, programming, and content creation. Your decision hinges on whether lightweight convenience or a heavy-duty aluminum chassis matters more.

Keychron J1

+Low-profile design with a 19° typing angle for ergonomic comfort
+Lightweight at 661g, easy to transport
+Built-in receiver compartment for the 2.4 GHz dongle
+Includes keycaps for both macOS and Windows

−ABS plastic case may feel less premium than aluminum
−Compatible only with Gateron/Keychron low-profile switches (not standard MX)
−User reports of Bluetooth disconnection issues and fast battery drain

Keychron Lemokey P1

+Full CNC machined 6063 aluminum body with mirror-polished finish
+Gasket mount design with IXPE, PET, and absorbing foam for enhanced acoustics
+Screw-in PCB stabilizers for stable large key performance
+Knob support and macro column for customizable shortcuts

−Heavy at 1650g, not ideal for frequent travel
−Higher price point compared to the J1
−Only the Pro version offers wireless connectivity

Which Keyboard Is Better for Your Needs?

The Lemokey P1 wins across gaming, programming, modding, and content creation due to its gasket mount, aluminum build, knob, and broader switch compatibility. The Keychron J1 takes the lead for office and travel thanks to its low-profile design, lighter weight, and built-in receiver compartment. For users who need portability and a slim form factor, the J1 is the clear choice, while the P1 is better for those seeking a premium typing and gaming experience.

GamingKeychron Lemokey P1

•1000 Hz polling rate on 2.4 GHz and wired modes
•Gasket mount design for reduced resonance during fast presses
•Screw-in stabilizers for consistent large key performance

OfficeKeychron J1

•Low-profile design with 19° typing angle for a more natural wrist position
•Lighter weight (661g) makes it easier to move between desks
•Includes both Mac and Windows keycaps out of the box

ProgrammingKeychron Lemokey P1

•Full CNC aluminum frame provides a solid, stable base
•Gasket mount offers a cushioned feel for extended typing sessions
•Knob support allows quick volume or zoom adjustments without leaving the keyboard

TravelKeychron J1

•Weighs only 661g compared to 1650g for the P1
•Compact dimensions (23 x 327 x 144 mm) and low-profile design
•Built-in receiver compartment for the 2.4 GHz dongle

ModdingKeychron Lemokey P1

•Gasket mount and PC plate offer a more mod-friendly foundation
•Compatible with most 3-pin and 5-pin MX-style switches (not limited to low-profile)
•Higher customizability score (97.1) reflects broader modding potential

Content CreationKeychron Lemokey P1

•Knob for quick timeline scrubbing or volume control
•Macro column and QMK/VIA support for custom shortcuts
•Better build quality and acoustic foams (IXPE, PET, absorbing foam) for a quiet studio environment