Intel Leaks 45nm Xeon Clock Frequencies
July 16, 2007 12:40 PM
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Intel gears up for AMD's Barcelona launch with a slew of new quad-core CPUs
Hot on the heels of the
second generation Intel Core 2 Duo launch
, an internal memo began making the rounds with Intel's 45nm Xeon core frequencies.
These 45nm Xeons, based on the
generation of processors
, also feature the 1333 MHz front-side bus found on the new Core 2 Duo stepping. Each die features 6MB of L2 cache -- giving the two dice quad-core
Xeons a total of 12MB of L2 cache
45nm Quad-Core Xeons
Unlike the desktop roadmap, dual-core Xeons take a more auxiliary role. Intel only laid out plans for three dual-core SKUs at launch; one of which is a low-power CPU. These dual-core 45nm processors, dubbed
, will only consist of a small amount of shipped 45nm Xeon processors.
Intel also uses the
describe dual-core 45nm desktop offerings
45nm Dual-Core Xeons
One Intel engineer, who asked to not be named, claimed this focus on quad-core is a typical reaction to the market in general. "In the server space, there isn't much need for dual-core when we can go quad ... If your [applications] are threaded, there's no reason to use two cores when four are available."
Intel did not release pricing on the new Xeons, but comparable 65nm CPUs are expected to get as low as
$266 over the next few weeks
when Intel officially cuts prices on all its existing dual and quad-core processors.
The next-generation AMD
family is expected to directly compete with the Intel 45nm quad-core Xeons. AMD is expected to launch
in the last week of August, with
top-out frequencies of 2.0 GHz
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TDP means different things to different companies.
7/16/2007 5:31:17 PM
Intel's TDP ratings are about as accurate as our intelligence reports that said Saddam had WMDs.
"Thermal Design Power (TDP) should be used for processor thermal solution design targets. The TDP is not the maximum power that the processor can dissipate.?"
?"The numbers in this column reflect Intel?s recommended design point and are not indicative of the maximum power the processor can dissipate under worst case conditions.?"
Taken from processor datasheets.
RE: TDP means different things to different companies.
7/16/2007 6:18:14 PM
What's wrong with a little bit of legal disclaimer in the datasheet? Worst case conditions aren't nominal operating conditions under full load. No, that's what the TDP represents. Worst case conditions where the processor will dissipate more than the TDP is when you have a 'slow silicon' processor with motherboard VRM that's at the top end of the tolerated voltage margin - extra voltage on a 'slow' part means more heat.
Heh, it's easy to make a processor dissipate more heat than the TDP dictates it should...
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