Linux Mint or Peppermint OS or Lubuntu or... (to replace old Windows OS)

Anyone with direct experience with one or all of these Linux distros? Primarily for replacing old Windows operating systems, namely XP and 7.
The obvious question: which is lightest and fastest?
I realize there are a dozen more very light distros, but I see these mentioned quite a bit.

 

I vote for Linux Mint

 

Debian should be little faster than Ubuntu but is primarily server oriented. So it's important to know what you would use linux for - games ? web ? special applications ? Desktop environment IceWM, openbox are lighter and faster than default GNOME / KDE.

 

I'm using Mint's Xfce Edition on an old Win7 PC right now. Works fairly well.

 

Web via Brave and Firefox. Pretty light usage overall, especially considering how old the hardware is.

 

I am using linux mint .... and just open linux mint site and see all details that which version support what types of system.

 

Linux mint is simply the best in my opinion.