mdntcallr said:
I don't get people's excitement over Santa Rosa. It is really a cpu for slim mini laptops. not a more desktop replacement model. it also has some more basic functions.
ie, the way i read the specs are that it is for macbook type, but higher end ones will use a better one. dunno
You've misread, I think.
Santa Rosa is the new platform to replace Napa.
It consists of Merom, at least some versions of which will have an 800MHz FSB, Crestline (965 Express Chipset, optionally with the x3000 series integrated graphics) and Kedron (new wifi, 802.11n probably).
I believe memory speed stays at 667MHz, at least according to the last Intel spec-sheet I read.
It will also use the ICH-8M for USB/SATA/PCI-E, etc.
Perhaps the most interesting is the expected inclusion of "Robson" flash memory caching technology which should speed up certain operations.
I would expect Santa Rosa to be used for both MacBook and MBP. Note that there are generally a variety of low-end to high-end varients within a single platform definition.
I believe Crestline is expected to be on a small process than the current i945/946 chipset which should provide for lowered power usage, too.
Santa Rosa is somewhat interesting, but it's all essentially evolutionary, outside of Robson.
Much like the jump of Napa over Yonah (aka Napa->Napa64), the improvements are moderate for the most part with occasional huge jumps (say, the SSE performance in certain contexts on Merom benching ~220% of the speed of Yonah).
At some point Merom will probably be replaced by Penryn, which is just Merom on a smaller process (45nm, I think) with more L2 cache (3-6meg, depending on price-point, vs 2-4meg now) and perhaps other minor improvements.