Intel® Pentium® 4 Processor 521 supporting HT Technology
(1M Cache, 2.80 GHz, 800 MHz FSB)

Specifications

Package Specifications
T_CASE	67.7°C
Package Size	37.5mm x 37.5mm
Processing Die Size	112 mm²
# of Processing Die Transistors	125 million
Sockets Supported	PLGA775
Low Halogen Options Available	See MDDS

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