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if the improvement isnt that much then why would they bother to release a new chip?drunkenmaster said:well as was known sse3 was improved, sse4 was added, and more cache and probably a couple tweaks for latency give most of the boosts.
there is NOT a 10-30% boost in gaming performance. there is a 10-30% boost in situations at low res with settings you will NEVER< EVER use.
frankly, penryn, barcelona and nehalem aren't going to a huge amount for our gaming fps, nor do they need to. we're gpu limited, more and more cpu will simply not help there.
sse4, very VERY simply put, allows instructions flagged as sse4 to basically do 4 instructions per clock compared to 2 instructions per clock that sse3 could do. which is why its literally twice as good at it. due to the through put of data when doing an encode, more cache, better prediction both contribute the extra 15%(added to probably also some data not getting held up by the 2 clock setup with sse3.).
now as i've said all along, the one big HUGE advantage penryn COULD have had over barcelona, as there was absolutely no clear data, was if penryn could use sse4 and barca couldn't.
theres still nothing concrete, or official yet, but a few of the guys who have stated their compilers now support the barcelona also said the compilers support SSE4, which would heavily hint towards barca having sse4 instructions. in which case the boost from sse4 which artificially makes the penryn seem better than a conroe, would be extremely similar on the barca so no advantage for intel there.
the other major issue is despite the "apparent" idea that lower process instantly means much higher speeds, mobo makers seem to be getting 3.33Ghz extreme editions down to 2.33Ghz lowest clock quad cores. which isn't exactly a boost in clock speed.
its fairly up in the air which cpu will be faster after overclocking, and which will be best bang for buck(as intel could just undercut amd if Intel are slower, amd can really not do the same to intel if intel are faster). but this is utterly gaurenteed, neither new cpu will offer anything more than a 1-3% boost(maybe 5-10% in extreme and rare situations) in gaming while at a resolution that your graphics card handles fine. IE a 8800 at 1600x1200 at high detail and aa/af, which its more than capable of, still giving 60-100fps, rather than at 1024x768 with 250-400fps.
Perfect_Chaos said:if the improvement isnt that much then why would they bother to release a new chip?