Compare HMX x 80 Retros KD400 Linear vs Owlab London Fog V2 Linear Differences Side by Side

Explore the comprehensive side-by-side comparison of the HMX x 80 Retros KD400 Linear and Owlab London Fog V2 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
	80	81	Select a switch to compare
Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	57g actuation force 63g bottom-out force 1.2mm pre-travel 3.5mm total travel Nylon, PA12 top housing Clacky, Deep sound profile 22mm spring Stainless Steel spring material	43g actuation force 49g bottom-out force 1.9mm pre-travel 3.6mm total travel PC top housing , Deep, Clacky, Muted sound profile
Score	Compared with medium linear switches Overall / Value:79.6 Materials:76.6 Finish:83.9	Compared with light linear switches Overall / Value:81.1 Materials:76.6 Finish:84.2
Name	Name HMX x 80 Retros KD400 Linear	Name Owlab London Fog V2 Linear
Release year	Release year 2026	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 57g	Actuation force 43g
Bottom out force	Bottom out force 63g	Bottom out force 49g
Pre travel	Pre travel 1.2mm	Pre travel 1.9mm
Total travel	Total travel 3.5mm	Total travel 3.6mm
Pins	Pins 5-Pin	Pins 5-Pin
Magnetic Hall Effect	Magnetic Hall Effect	Magnetic Hall Effect
Top Housing Material	Top Housing Material Nylon, PA12	Top Housing Material PC
Bottom Housing Material	Bottom Housing Material -	Bottom Housing Material -
Stem Material	Stem Material POM	Stem Material POM
Sound profile	Sound profile Clacky	Sound profile -
Spring type	Spring type Standard	Spring type Standard
Spring length	Spring length 22mm	Spring length -
Spring material	Spring material Stainless Steel	Spring material -
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 43g