[Wine] very noobish question about how WinE works.

[TempUser]

so I understand it's now called "Wine Is Not an Emulator",
after being called "Windows Emulator" back in the day.
anyway -- it's a great piece of software.

but I have a question: actually I'll ask by a practical example.
say I install 7-Zip under Wine, and archive some things.
question is: how will the performances compare to what I'd get under Windows?

regards, and thanks in advance for the replies.