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Anandtech: Covert Ops - Intel Tejas & Socket 775 Unveiled
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Originally Tejas was listed as the first Intel CPU to have a 1.2GHz FSB, but now we know a bit more about the CPU.
Apparently a total of 10 Tejas samples have been shipped out to various friends of Intel, all running at 2.8GHz. What's also interesting to note is that our sources have informed us that at 2.8GHz Tejas uses around 150W of power - about 50% more than Prescott at the same clock speed.
Given that Tejas is still a 90nm part, it would be unlikely that the additional power consumption would be due to a larger cache as that would make the die huge and isn't Intel's style to increase cache size without shrinking the die further. If the power figures we've been given are indeed correct, one possible explanation would be that Tejas is indeed some variation of a multicore CPU. While it is unlikely that Tejas includes two discreet Prescott cores on die, there is a chance that the two cores (if they exist) could be sharing data caches and maybe other units. A multicore Tejas would explain the jump in power consumption, and it is in line with Intel's strategy although it does seem sooner than expected.
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Link: [link=http://www.anandtech.com/cpu/showdoc.html?i=1943]Anandtech[/link]
Originally Tejas was listed as the first Intel CPU to have a 1.2GHz FSB, but now we know a bit more about the CPU.
Apparently a total of 10 Tejas samples have been shipped out to various friends of Intel, all running at 2.8GHz. What's also interesting to note is that our sources have informed us that at 2.8GHz Tejas uses around 150W of power - about 50% more than Prescott at the same clock speed.
Given that Tejas is still a 90nm part, it would be unlikely that the additional power consumption would be due to a larger cache as that would make the die huge and isn't Intel's style to increase cache size without shrinking the die further. If the power figures we've been given are indeed correct, one possible explanation would be that Tejas is indeed some variation of a multicore CPU. While it is unlikely that Tejas includes two discreet Prescott cores on die, there is a chance that the two cores (if they exist) could be sharing data caches and maybe other units. A multicore Tejas would explain the jump in power consumption, and it is in line with Intel's strategy although it does seem sooner than expected.
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Link: [link=http://www.anandtech.com/cpu/showdoc.html?i=1943]Anandtech[/link]
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