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Differences What are the advantages of each

Front view of Intel Pentium 4 520

Reasons to consider the
Intel Pentium 4 520

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Significantly higher clock speed 2.8 GHz vs 1.65 GHz Around 70% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Front view of AMD E 450

Reasons to consider the
AMD E 450

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Much newer manufacturing process 40 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much lower typical power consumption 14.63W vs 68.25W 4.7x lower typical power consumption
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Newer Aug, 2011 vs Nov, 2000 Release date over 10 years later
Significantly higher Maximum operating temperature 90 °C vs 67.7 °C Around 35% higher Maximum operating temperature
Much lower annual home energy cost 4.34 $/year vs 20.24 $/year 4.7x lower annual home energy cost
Much lower annual commercial energy cost 15.77 $/year vs 73.58 $/year 4.7x lower annual commercial energy cost
More cores 2 vs 1 Twice as many cores; run more applications at once

Benchmarks Real world tests of Pentium 4 520 vs E 450

GeekBench (32-bit) Data courtesy Primate Labs

E 450
1,056

GeekBench

E 450
2,017

Specifications Full list of technical specs

summary

Pentium 4 520  vs
E 450 
Clock speed 2.8 GHz 1.65 GHz
Cores Single core Dual core
Socket type
LGA 775
Super 7

features

Has virtualization support No Yes
Supports dynamic frequency scaling No Yes

power consumption

TDP 84W 18W
Annual home energy cost 20.24 $/year 4.34 $/year
Annual commercial energy cost 73.58 $/year 15.77 $/year
Typical power consumption 68.25W 14.63W

details

Pentium 4 520  vs
E 450 
Threads 1 2
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 90 nm 40 nm
Max CPUs 1 1
Operating temperature Unknown - 67.7°C Unknown - 90°C

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6320
Latest DirectX N/A 11.0
GPU clock speed N/A 508 MHz
Turbo clock speed N/A 600 MHz

bus

Clock speed 800 MHz 100 MHz
Intel Pentium 4 520
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AMD E 450
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