There has been a lot of buzz around Google's new Chrome browsers and its V8 JavaScript VM. Some voices have claimed that V8 is several times faster than TraceMonkey (Firefox's under-development JavaScript engine). We did some head to head comparisons and these claims don't match our observations.
UPDATE: It should be noted that TraceMonkey is not enabled by default in the nightly builds yet (you can still turn it on, see in the article.)