Intel Prescott Details
90nm micron process
112mm2 Die Size
125M Transistors
FMB 1.5 : TDP - 103W
800Mhz FSB
1MB L2 Cache / 16KB L1 Cache
SSE-3
13 Prescott New Instructions (PNI)
Longer Pipelines
Enhanced Hyper-Threading
Improved pre-fetch branch predictions
Improved Integer Multiply latency
Improved Power management.
Additional Write Combining buffers
Reduce clock skew across die with a new clock distribution scheme
La Grande Technology is present but software support will come later
Socket 478 - Q4 '03, Socket T LGA 775 - H2 2004
Availability : 3.2 & 3.4Ghz in Oct 2003, 3.6Ghz - Q1 '04, 3.8Ghz - Q2 '04
Pricing : 3.2Ghz - $278, 3.4Ghz - $417, 3.6Ghz - 637, 3.8Ghz - $637
I'm still now sure which mobo's will support it though.