Compare HMX Blue Topaz Linear vs Cola Linear Differences Side by Side

Explore the comprehensive side-by-side comparison of the HMX Blue Topaz Linear and HMX Cola 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.

Model
	72	81	Select a switch to compare
Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2025 40g actuation force 3.85mm total travel PC top housing Nylon, PTFE bottom housing LY stem Clacky sound profile	Released in 2026 42g actuation force 3.5mm total travel Nylon, PA66 top housing Nylon, PA66 bottom housing POM stem Clacky, High-Pitched sound profile
Score	Compared with light linear switches Overall / Value:72.3 Materials:65.5 Finish:84.2	Compared with light linear switches Overall / Value:80.6 Materials:76.6 Finish:84.2
Name	Name HMX Blue Topaz Linear	Name HMX Cola Linear
Release year	Release year 2025	Release year 2026
Switch type	Switch type Linear	Switch type Linear
Factory lubed	Factory lubed	Factory lubed
Profile	Profile Standard profile	Profile Standard profile
Actuation force	Actuation force 40g	Actuation force 42g
Bottom out force	Bottom out force 48g	Bottom out force 48g
Pre travel	Pre travel 2mm	Pre travel 2mm
Total travel	Total travel 3.85mm	Total travel 3.5mm
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 Nylon, PA66
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 Clacky
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 42g