From Eetimes : n computer servers, Intel will debut a four-core version of its Itanium server CPU that packs a whopping 2.05 billion transistors, more transistors than have ever been used in a commercial microprocessor, according to the ISSCC organizers. Tukwilla measures in at nearly 700mm-squared and consumes an equally heavy 170W.
At the same ISSCC session, Sun will counter with the debut of Rock, a significantly smaller (396mm-squared) server CPU that packs 16 cores and is the first computer processor to support atomic transactions, an emerging parallel-programming technique. Both Tukwilla and Rock are built in 65nm technology.
Intel's Tukwilla runs at up to 2 GHz and packs 30 Mbytes cache. It is the first CPU in the family to support Intel's new QuickPath processor interconnect. QuickPath is a proprietary Intel CPU interconnect aimed to compete with the HyperTransport interconnect from archrival Advanced Micro Devices. It replaces Intel's aging front-side bus.
2GHz and 170w TDP. Wth ? I expected something along 2.3/2.5Ghz@130w TDP , 3GHz@200w TDP.
Well , I suppose even a meager 2GHz will be enough to win 75% of server benchmarks , core/core with other RISC/x86 CPUs.Hopefully , allow SGI to sell some 4000/8000 cores SSI beasts.
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