If you look at the extremes, it is up to a factor of 3: https://benchmarksgame-team.pages.debian.net/benchmarksgame/...
If you exclude stuff like SSE intrinics, it's usually 50% slower.
If you exclude stuff like SSE intrinics, it's usually 50% slower.
What about the median performance benchmark tasks?
https://benchmarksgame-team.pages.debian.net/benchmarksgame/...