AMD's Fusion chip will be based on Phenom processor

January 25, 2008, 01:14 PM —  IDG News Service — 

Advanced Micro Devices
gave further details of its upcoming Fusion processor, saying it will be based
on the design of a microprocessor used in the desktops currently shipping to
enthusiast PC users such as gamers.

The Fusion chip, which will combine a graphics processing unit and CPU on one
chip, will be a redesign of the company's current Phenom processor, said Patrick
Moorhead, vice president of advanced marketing at AMD, in an interview. However,
the Fusion chip will witness significant design changes from the current iteration
of Phenom, Moorhead said.

The Fusion chip, code-named Swift, will be shrunk from the Phenom core and
be optimized for use in a notebook, Moorhead said. The optimization will focus
on making the chip more power-efficient while increasing graphics capabilities,
Moorhead said.

The graphics processing unit on the Fusion chip will include multiple "mini-cores"
that breaks down code from a program, like 3-D games, to process data faster,
said John Taylor, an AMD spokesman. Fusion's graphics processor will be based
on a graphics card AMD plans to release in the near future, Taylor said, declining
to give details.

The first Fusion chips will be released as dual-core CPUs for notebooks, followed
by quad-core CPUs for notebooks, Moorhead said. The dual-core notebook processors
will be available in the second half of 2009, said John Taylor, an AMD spokesman.
The company didn't provide a timeline for the quad-core chips.

Fusion chips will also be released eventually for desktops, Taylor said, although
he declined to comment on a release date.

Originally released as part of the "Spider" multimedia platform last
year, the Phenom processor has an integrated memory controller, cache, and four
cores on a single chip. Currently available in speeds up to 2.3GHz, AMD earlier
this month delayed the shipment of the faster Phenom 9700 and 9900 quad-core
processors to the second quarter. The company is due to ship a triple-core Phenom
processor later this year.

The Fusion CPU is part of Project Shrike, the next-generation platform that
will be an upgrade to the company's upcoming Puma platform. It includes the
Turion Ultra processor, code-named Griffin. The Puma platform boosts a system's
graphics performance by running both the integrated graphics processor and a
graphics card attached to the motherboard together.

Like Puma, additional graphics cards can be attached to boost performance of
systems based on Project Shrike, Taylor said.

Fusion chips will be made using AMD's 45-nanometer production technology, said
Mario Rivas, executive vice president of the computing products group, during
a meeting in December.

Fusion isn't being designed for ultramobile PCs, Moorhead said. "The jury
is still out on whether the UMPC market has legs or not. But we'll see,"
Moorhead said.

Plans to launch the Fusion chip were announced when AMD
bought ATI
for US$5.4 billion in 2006. The acquisition of ATI was also viewed
as a potent weapon in AMD's attempt to dent Intel's domination of the x86 processor
market. However, AMD has struggled lately, announcing five straight quarterly
losses, delaying processor shipments, and falling behind Intel in chip production.

Intel has already rolled out more than 30 Penryn-based chips based on the 45-nanometer
process, with AMD still producing chips using the older 65-nm process.

IDG News Service

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