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Differences What are the advantages of each

Front view of Intel Pentium 4 650

Reasons to consider the
Intel Pentium 4 650

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Much higher clock speed 3.4 GHz vs 2.4 GHz More than 40% higher clock speed
Much better overclocked clock speed (Air) 3.98 GHz vs 3.49 GHz Around 15% better overclocked clock speed (Air)
Much higher Maximum operating temperature 66.6 °C vs 60.1 °C More than 10% higher Maximum operating temperature
Much better overclocked clock speed (Water) 4.59 GHz vs 3.45 GHz Around 35% better overclocked clock speed (Water)
Front view of Intel Core2 Duo E6600

Reasons to consider the
Intel Core2 Duo E6600

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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
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly lower typical power consumption 52.81W vs 68.25W Around 25% lower typical power consumption
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
Newer Jul, 2006 vs Jan, 2005 Release date over 1 years later

Features Key features of the Pentium 4 650  vs Core2 Duo E6600 

clock speed

Pentium 4 650
3.4 GHz
Core2 Duo E6600
2.4 GHz

L2 cache

overclocked clock speed (air)

Pentium 4 650
3.98 GHz
Core2 Duo E6600
3.49 GHz

overclocked clock speed (water)

Pentium 4 650
4.59 GHz
Core2 Duo E6600
3.45 GHz

Specifications Full list of technical specs

summary

Pentium 4 650  vs
Core2 Duo E6600 
Clock speed 3.4 GHz 2.4 GHz
Cores Single core Dual core
Socket type
LGA 775

features

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

power consumption

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

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 800 MHz 1,066 MHz

details

Pentium 4 650  vs
Core2 Duo E6600 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 4 MB
L2 cache per core 2 MB/core 2 MB/core
Manufacture process 90 nm 65 nm
Transistor count 169,000,000 291,000,000
Max CPUs 1 1
Clock multiplier 17 9
Voltage range 1.2 - 1.4V 0.85 - 1.5V
Operating temperature Unknown - 66.6°C Unknown - 60.1°C

overclocking

Overclocked clock speed 3.98 GHz 3.49 GHz
Overclocked clock speed (Water) 4.59 GHz 3.45 GHz
Overclocked clock speed (Air) 3.98 GHz 3.49 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 4 650
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Intel Core2 Duo E6600
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