AMD Announces Quad-Core Tape Out
August 15, 2006 2:47 AM
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The first native x86 quad-core processor is finally taped out
With the news of
AMD's DDR2 Opteron launch
, AMD managed to
squeeze in one tidbit
of information definitely newsworthy: quad-core Opterons have been taped out. AMD's Executive Vice President Henri Richard had previously dubbed these native quad-core design as
the K8L architecture
. Internally at AMD, this architecture is known as
The company's press release claims "AMD plans to deliver to customers in mid-2007 native Quad-Core AMD Opteron processors that incorporate four processor cores on a single die of silicon." For a little historical perspective, AMD's dual-core Opteron was taped out in June 2004, and then officially introduced in late April, 2005.
The press release further adds that the quad-core Opteron will be compatible with the dual-core DDR2 Opteron motherboards. The news of backwards compatibility with existing DDR2 Opteron motherboards is in line with AMD's previous announcements on its other platforms. On roadmaps earlier this year the company also claimed that
AM3 processors would be compatible with AM2 motherboards
Intel has recently accelerated its quad-core plans; the company recently announced that quad-core desktop and server chips
will be available this year
. Intel's initial quad-core designs are significantly different than AMD's approach. The quad-core Intel
processor is essentially two
dice attached to the same package. AMD's native quad-core, on the other hand, incorporates all four cores onto the same die. AMD countered Intel's accelerated roadmap by claiming the new
quad-core processors would be demonstrated this year.
However, absent from AMD's quad-core announcement is any news of non-native quad-core processors. Non-native quad-core Opterons,
, existed on AMD's roadmap as late as May of this year. These 65nm processors were essentially two 65nm dual-core Opterons on the same package, but AMD has made virtually no comment on any 65nm dual or single-core processors since the
AMD Analyst Day on June 1 of this year
. AMD still plans to introduce
65nm dual-core processors for desktops this year.
This article is over a month old, voting and posting comments is disabled
8/15/2006 8:09:54 PM
Smithfield is a single die. Presler is basically two Cedar Mills slapped together though
No, both Smithfield and Presler are 2 dies glued together (known as MCMs), and they require the FSB to negotiate cache coherency.
8/16/2006 12:57:33 AM
Smithfield is a single die, unlike Presler which is 2 dice.
However Smithfield is something like 2 Prescotts side by side, since it is a Single Dice.
Presler has the advantage of being any 2 dice, on a wafer and since they don't come from side by side necessarily, they are sperate dice.
Hence why the die size is 2x81mm2 for Presler but 206mm2 for Smithfield.
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