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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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Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much lower typical power consumption 68.25W vs 94.67W Around 30% lower typical power consumption
Much lower annual home energy cost 20.24 $/year vs 35.75 $/year Around 45% lower annual home energy cost
Significantly lower annual commercial energy cost 73.58 $/year vs 91.1 $/year Around 20% lower annual commercial energy cost
Front view of Intel Core i3 540

Reasons to consider the
Intel Core i3 540

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Much newer manufacturing process 32 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
More threads 4 vs 1 3 more threads
Much better geekbench 2 (32-bit) score 3,934 vs 838 Around 4.8x better geekbench 2 (32-bit) score
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
More cores 2 vs 1 Twice as many cores; run more applications at once
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
Higher clock speed 3.06 GHz vs 2.8 GHz Around 10% higher clock speed
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly higher Maximum operating temperature 72.6 °C vs 67.7 °C More than 5% higher Maximum operating temperature
Newer Jan, 2010 vs Nov, 2000 Release date over 9 years later

Benchmarks Real world tests of Pentium 4 520 vs Core i3 540

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Specifications Full list of technical specs

summary

Pentium 4 520  vs
Core i3 540 
Clock speed 2.8 GHz 3.06 GHz
Cores Single core Dual core
Socket type
LGA 775
LGA 1156

features

Has virtualization support No Yes
Supports dynamic frequency scaling No Yes

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 733 MHz

bus

Architecture FSB DMI
Number of links 1 1

details

Pentium 4 520  vs
Core i3 540 
Architecture x86 x86-64
Threads 1 4
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 90 nm 32 nm
Transistor count 125,000,000 382,000,000
Max CPUs 1 1
Voltage range 1.25 - 1.4V 0.65 - 1.4V
Operating temperature Unknown - 67.7°C Unknown - 72.6°C

power consumption

TDP 84W 73W
Annual home energy cost 20.24 $/year 35.75 $/year
Annual commercial energy cost 73.58 $/year 91.1 $/year
Typical power consumption 68.25W 94.67W
Intel Pentium 4 520
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Intel Core i3 540
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