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Differences What are the advantages of each

Front view of Intel Pentium E2220

Reasons to consider the
Intel Pentium E2220

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Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 2 vs 1 Twice as many cores; run more applications at once
Much higher Maximum operating temperature 73.3 °C vs 66.6 °C More than 10% higher Maximum operating temperature
Significantly lower typical power consumption 52.81W vs 68.25W Around 25% lower typical power consumption
Newer Jan, 2008 vs Jan, 2005 Release date over 3 years later
Significantly lower annual home energy cost 15.66 $/year vs 20.24 $/year Around 25% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 73.58 $/year Around 25% lower annual commercial energy cost
Better overclocked clock speed (Water) 3.5 GHz vs 3.2 GHz Around 10% better overclocked clock speed (Water)
Front view of Intel Pentium 4 640

Reasons to consider the
Intel Pentium 4 640

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.2 GHz vs 2.4 GHz Around 35% higher clock speed
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Much better overclocked clock speed (Air) 3.92 GHz vs 3.27 GHz More than 20% better overclocked clock speed (Air)

Features Key features of the Pentium E2220  vs 4 640 

clock speed

Pentium E2220
2.4 GHz
Pentium 4 640
3.2 GHz

L2 cache

overclocked clock speed (air)

Pentium E2220
3.27 GHz
Pentium 4 640
3.92 GHz

overclocked clock speed (water)

Pentium E2220
3.5 GHz
Pentium 4 640
3.2 GHz

Specifications Full list of technical specs

summary

Pentium E2220  vs
4 640 
Clock speed 2.4 GHz 3.2 GHz
Cores Dual core Single core
Socket type
LGA 775

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support No No
Instruction set extensions
SSE2
MMX
SSE3
SSE
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 84W
Annual home energy cost 15.66 $/year 20.24 $/year
Annual commercial energy cost 56.94 $/year 73.58 $/year
Typical power consumption 52.81W 68.25W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 800 MHz

details

Pentium E2220  vs
4 640 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 2 MB/core
Manufacture process 65 nm 90 nm
Transistor count 105,000,000 169,000,000
Max CPUs 1 1
Clock multiplier 12 16
Voltage range 0.85 - 1.5V 1.2 - 1.4V
Operating temperature Unknown - 73.3°C Unknown - 66.6°C

overclocking

Overclocked clock speed 3.27 GHz 3.92 GHz
Overclocked clock speed (Water) 3.5 GHz 3.2 GHz
Overclocked clock speed (Air) 3.27 GHz 3.92 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Pentium E2220
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Intel Pentium 4 640
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