It's not even on the same level. Container tabs as the name implies are all in the same window, and you can program them, for example always open up google.com domains in my Google container, while opening amazon.com in my shopping container.

This keeps the cookies separate and means you are tracked less. Yes you can manually do this with Chrome profiles, but before this feature was introduced into Firefox I had a dozen or more Chrome profiles to keep all my work, community and personal Google/Microsoft logins separate.