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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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Significantly higher clock speed 3.4 GHz vs 2.9 GHz More than 15% higher clock speed
Much better overclocked clock speed (Air) 3.98 GHz vs 3.64 GHz Around 10% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.59 GHz vs 4 GHz Around 15% better overclocked clock speed (Water)
Front view of AMD Athlon II X2 245

Reasons to consider the
AMD Athlon II X2 245

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Much newer manufacturing process 45 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
Much higher Maximum operating temperature 74 °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 Jul, 2009 vs Jan, 2005 Release date over 4 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

Features Key features of the Pentium 4 650  vs Athlon II X2 245 

clock speed

L2 cache

overclocked clock speed (air)

Pentium 4 650
3.98 GHz
Athlon II X2 245
3.64 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Pentium 4 650  vs
Athlon II X2 245 
Clock speed 3.4 GHz 2.9 GHz
Cores Single core Dual core
Socket type
LGA 775
AM3

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
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

Clock speed 800 MHz 2,000 MHz

details

Pentium 4 650  vs
Athlon II X2 245 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 2 MB
L2 cache per core 2 MB/core 1 MB/core
Manufacture process 90 nm 45 nm
Max CPUs 1 1
Voltage range 1.2 - 1.4V 0.85 - 1.4V
Operating temperature Unknown - 66.6°C Unknown - 74°C

overclocking

Overclocked clock speed 3.98 GHz 3.64 GHz
Overclocked clock speed (Water) 4.59 GHz 4 GHz
Overclocked clock speed (Air) 3.98 GHz 3.64 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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AMD Athlon II X2 245
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