Compare HMX Blue Topaz Linear vs Lulu Silent Linear Differences Side by Side

Explore the comprehensive side-by-side comparison of the HMX Blue Topaz 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	40g actuation force 48g bottom-out force 3.85mm total travel Nylon, PTFE bottom housing LY stem Clacky sound profile	45g actuation force 52g bottom-out force 3.8mm total travel Nylon, PA66 bottom housing POM stem Muted, Thocky sound profile Stainless Steel spring material Long pole design Silent operation
Score	Compared with light linear switches Overall / Value:72.6 Materials:65.9 Finish:84.3	Compared with silent switches Overall / Value:81.4 Materials:76.6 Finish:84.2
Name	Name HMX Blue Topaz Linear	Name HMX Lulu Silent Linear
Release year	Release year 2025	Release year 2025
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 40g	Actuation force 45g
Bottom out force	Bottom out force 48g	Bottom out force 52g
Pre travel	Pre travel 2mm	Pre travel 2mm
Total travel	Total travel 3.85mm	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, PTFE	Bottom Housing Material Nylon, PA66
Stem Material	Stem Material LY	Stem Material POM
Sound profile	Sound profile Clacky	Sound profile Muted
Spring type	Spring type Standard	Spring type Standard
Spring length	Spring length 22mm	Spring length 22mm
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 -
Spring material	Spring material -	Spring material Stainless Steel