Compare MMD Princess Ultra Linear vs HMX Lulu Silent Linear Differences Side by Side

Explore the comprehensive side-by-side comparison of the MMD Princess Ultra Linear and HMX Lulu Silent Linear and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each switch at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

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Main differences	Released in 2025 42g actuation force 48g bottom-out force 1.9mm pre-travel 3.6mm total travel LY stem	Released in 2026 45g actuation force 52g bottom-out force 2mm pre-travel 3.8mm total travel POM stem Silent operation
Name	Name MMD Princess Ultra Linear	Name HMX Lulu Silent Linear
Release year	Release year 2025	Release year 2026
Switch type	Switch type Linear	Switch type Silent Linear
Factory lubed	Factory lubed	Factory lubed
Profile	Profile Standard profile	Profile Standard profile
Actuation force	Actuation force 42g	Actuation force 45g
Bottom out force	Bottom out force 48g	Bottom out force 52g
Pre travel	Pre travel 1.9mm	Pre travel 2mm
Total travel	Total travel 3.6mm	Total travel 3.8mm
Pins	Pins 5-Pin	Pins 5-Pin
Magnetic Hall Effect	Magnetic Hall Effect	Magnetic Hall Effect
Top Housing Material	Top Housing Material PC	Top Housing Material PC
Bottom Housing Material	Bottom Housing Material Nylon	Bottom Housing Material Nylon
Stem Material	Stem Material LY	Stem Material POM
Sound profile	Sound profile -	Sound profile -
Spring type	Spring type -	Spring type -
Double stage	Double stage	Double stage
Long pole	Long pole	Long pole
Dust proof	Dust proof	Dust proof
Water resistant	Water resistant	Water resistant
Weight	Weight -	Weight -