"In this review, we're taking a look at three processors each
from AMD and Intel. What we chose to look at is each manufacturer's
top enthusiast CPU, their top dual-core CPU, and their top
mainstream CPU. On AMD's side this equals the Athlon 64 FX-57,
Athlon 64 4800+, and Athlon 64 4000+ respectively. On Intel's side
this equals the Pentium Extreme Edition 840, Pentium D 840, and
Pentium 4 670 respectively.
"AMD's FX-57 is the top-of-the-line in terms of single-core AMD
processors. The FX-57 operates at 2.8GHz and has 1MB of L2 cache.
Like the previous FX-series processors, the FX-57 is multiplier
unlocked for the enthusiasts who want full control over the
processor's clock speed. The FX-57 uses the latest core, codenamed
'San Diego,' which is a 90nm SOI part with an enhanced memory
controller and SSE3 support..."