Originally posted by: harpoon84
Originally posted by: Viditor
Originally posted by: cmdrdredd
There's no reaspn to think that Intel is going to do 45nm and NOT increase the performance at the same time
True, but there's no reason that they will either...they didn't with the 65nm node on Netburst.
True, but 45nm C2D will feature 6MB L2 cache, 1333MHz FSB and SSE4, so it should be at least 5% faster clock for clock compared to current C2Ds. SSE4 benefits are still unknown at this stage so I won't bother speculating.
Of course with a die shrink there is also the advantage of lower power consumption, which in turn generally leads to higher clockspeeds. Intel is aiming for 3.5 - 4GHz on 45nm DC and 3.46 - 3.73GHz on 45nm QC according to the latest roadmap.
True enough...the question is how much will this help?
1. The increase in cache will have very limited benefits. It will bring the memory latency closer (but not equal) to AMD's ODMC for the majority (but not all) apps. It will also use up the lion's share of the real estate gained from the shrink (meaning that they won't get as big of a cost savings or room for additions).
2. A 1333 FSB will help the most, but even that has limited gains (as we've seen with Woodcrest). I would agree though that this will be the majority of any gain and may indeed increase performance by 5% (don't know yet...).
3. SSE4 will be on the K8L as well, but that's a future story as it requires software to be written that uses it (and we all know that this can take a year or more from other SSE releases).
As to Intel's goals for clockspeeds, I have seen you say that before, but I have to hear Intel say anything of the kind...do you have a reliable source for the rumour?