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Differences What are the advantages of each

Front view of Intel Pentium 745

Reasons to consider the
Intel Pentium 745

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Much lower typical power consumption 6.09W vs 109.72W 18x lower typical power consumption
Significantly 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 more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Much lower annual home energy cost 1.81 $/year vs 39.31 $/year 21.8x lower annual home energy cost
Much lower annual commercial energy cost 6.57 $/year vs 108.62 $/year 16.5x lower annual commercial energy cost
Front view of AMD Phenom II X2 565

Reasons to consider the
AMD Phenom II X2 565

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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
Much higher clock speed 3.4 GHz vs 1.8 GHz Around 90% higher clock speed
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 4.16 GHz vs 2.34 GHz More than 75% better overclocked clock speed (Air)
Newer Dec, 2010 vs May, 2004 Release date over 6 years later
More cores 2 vs 1 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 3.4 GHz vs 1.8 GHz Around 90% better overclocked clock speed (Water)

Features Key features of the Pentium 745  vs Phenom II X2 565 

clock speed

Pentium 745
1.8 GHz

L2 cache

overclocked clock speed (air)

Pentium 745
2.34 GHz
Phenom II X2 565
4.16 GHz

overclocked clock speed (water)

Pentium 745
1.8 GHz

Specifications Full list of technical specs

summary

Pentium 745  vs
Phenom II X2 565 
Clock speed 1.8 GHz 3.4 GHz
Cores Single core Dual core
Socket type
479
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 7.5W 80W
Annual home energy cost 1.81 $/year 39.31 $/year
Annual commercial energy cost 6.57 $/year 108.62 $/year
Typical power consumption 6.09W 109.72W

details

Pentium 745  vs
Phenom II X2 565 
Architecture x86 x86-64
Threads 1 2
L2 cache 2 MB 1 MB
L2 cache per core 2 MB/core 0.5 MB/core
Manufacture process 90 nm 45 nm
Max CPUs 1 1
Voltage range 1.28 - 1.34V 0.78 - 1.43V

overclocking

Overclocked clock speed 2.34 GHz 4.16 GHz
Overclocked clock speed (Water) 1.8 GHz 3.4 GHz
Overclocked clock speed (Air) 2.34 GHz 4.16 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

bus

Clock speed 400 MHz 2,000 MHz
Intel Pentium 745
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AMD Phenom II X2 565
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