Intel® Pentium® 4 Processor 521 supporting HT Technology

SPECIFICATIONS

Essentials
Status	EOIS
Launch Date	Q3'05
Processor Number	521
# of Cores	1
# of Threads	2
Clock Speed	2.8 GHz
L2 Cache	1 MB
Bus/Core Ratio	14
FSB Speed	800 MHz
Instruction Set	64-bit
Embedded Options Available	No
Supplemental SKU	No
Lithography	90 nm
Max TDP	84 W
VID Voltage Range	1.200V-1.425V

Package Specifications
TCASE	67.7°C
Package Size	37.5mm x 37.5mm
Processing Die Size	112 mm2
# of Processing Die Transistors	125 million
Sockets Supported	PLGA775, PPGA478
Halogen Free Options Available	No

Advanced Technologies
Intel® Turbo Boost Technology	No
Intel® Hyper-Threading Technology	Yes
Intel® Virtualization Technology (VT-x)	No
Intel® Trusted Execution Technology	No
Intel® 64	Yes
Idle States	Yes
Enhanced Intel SpeedStep® Technology	No
Intel® Demand Based Switching	No
Execute Disable Bit	Yes

source: intel.com