A bus is a subsystem that transfers data between computer components or between computers. Types include front-side bus (FSB), which carries data between the CPU and memory controller hub; direct media interface (DMI), which is a point-to-point interconnection between an Intel integrated memory controller and an Intel I/O controller hub on the computer’s motherboard; and Quick Path Interconnect (QPI), which is a point-to-point interconnect between the CPU and the integrated memory controller.
Thermal Design Power (TDP) represents the average power, in watts, the processor dissipates when operating at Base Frequency with all cores active under an Intel-defined, high-complexity workload. Refer to Datasheet for thermal solution requirements.
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Description
Product Features:
- Intel® Pentium® 4 521 2.8 GHz
- 1 MB L2 LGA 775 (Socket T)
- Processor cores: 1 90 nm 64-bit 84 W
- Box Cooler included
Intel Pentium 521 processor 2.8 GHz 1 MB L2 Box
Intel® Pentium® 4 Processor 521 supporting HT Technology <br />(1M Cache, 2.80 GHz, 800 MHz FSB)
Intel Pentium 521, Intel® Pentium® 4, LGA 775 (Socket T), 90 nm, Intel, 2.8 GHz, 64-bit
Intel Pentium 521. Processor family: Intel® Pentium® 4, Processor socket: LGA 775 (Socket T), Processor lithography: 90 nm. Market segment: Desktop, Number of Processing Die Transistors: 125 M, Processing Die size: 112 mm². Package type: Retail box. Processor package size: 37.5 x 37.5 mm
Specification
Processor
Processor manufacturer
Intel
Processor model
521
Processor base frequency
2.8 GHz
Processor family
Intel® Pentium® 4
Processor cores
1
Processor socket
LGA 775 (Socket T)
Component for
PC
Processor lithography
90 nm
Processor series
Intel Pentium 4 500 Series supporting Hyper-Threading Technology
Processor threads
2
Processor operating modes
64-bit
Processor cache
1 MB
Processor cache type
L2
Processor front side bus
800 MHz
Thermal Design Power (TDP)
84 W
Box
Yes
Cooler included
Yes
VID Voltage Range
1.2 - 1.425 V
Stepping
G1
FSB Parity
No
Bus type
FSB
CPU multiplier (bus/core ratio)
14
Processor codename
Prescott
Processor code
SL8PP
Processor ARK ID
27461
Graphics
On-board graphics card
No
Features
Execute Disable Bit
Yes
Idle States
Yes
Market segment
Desktop
Number of Processing Die Transistors
125 M
Processing Die size
112 mm²
Embedded options available
No
Processor special features
Intel® Hyper Threading Technology (Intel® HT Technology)
Yes
Intel® Turbo Boost Technology
No
Enhanced Intel SpeedStep Technology
No
Intel Trusted Execution Technology
No
Intel Enhanced Halt State
Yes
Intel Demand Based Switching
No
Intel 64
Yes
Intel Virtualization Technology (VT-x)
No
Operational conditions
Tcase
67.7 °C
Technical details
Bus bandwidth
800
Bus type units
MHz
Launch date
Q3'05
Processor cache
1024 KB
Product type
Processor
Status
Discontinued
Processor brand name
Intel Pentium
Last change
63903513
Product family
Legacy Intel Pentium Processor
Bus speed
800 MHz
Packaging data
Package type
Retail box
Weight & dimensions
Processor package size
37.5 x 37.5 mm