Yes, a tab might 100s of MB of RAM. The question is how much more a tab would use by virtue of being a separate process vs not. Do you have a figure for this, a

Yes, a tab might 100s of MB of RAM. The question is how much more a tab would use by virtue of being a separate process vs not. Do you have a figure for this, and a reason a process spawn inherently requires a significant amount as a percentage of what browsers are using anyway?