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Differences What are the advantages of each

Front view of Intel Pentium 745A

Reasons to consider the
Intel Pentium 745A

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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 1 MB/core 2x more l2 cache per core
Significantly lower typical power consumption 17.06W vs 36.56W 2.1x lower typical power consumption
Significantly lower annual home energy cost 5.06 $/year vs 10.84 $/year 2.1x lower annual home energy cost
Significantly lower annual commercial energy cost 18.4 $/year vs 39.42 $/year 2.1x lower annual commercial energy cost
Front view of AMD Sempron 145

Reasons to consider the
AMD Sempron 145

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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
Significantly higher clock speed 2.8 GHz vs 1.8 GHz More than 55% 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) 4.05 GHz vs 2.4 GHz Around 70% better overclocked clock speed (Air)
Newer May, 2010 vs Apr, 2004 Release date over 6 years later
Much better overclocked clock speed (Water) 4.28 GHz vs 1.8 GHz Around 2.5x better overclocked clock speed (Water)

Features Key features of the Pentium 745A  vs Sempron 145 

clock speed

Pentium 745A
1.8 GHz
Sempron 145
2.8 GHz

L2 cache

overclocked clock speed (air)

Pentium 745A
2.4 GHz
Sempron 145
4.05 GHz

overclocked clock speed (water)

Pentium 745A
1.8 GHz
Sempron 145
4.28 GHz

Specifications Full list of technical specs

summary

Pentium 745A  vs
Sempron 145 
Clock speed 1.8 GHz 2.8 GHz
Cores Single core Single core

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 21W 45W
Annual home energy cost 5.06 $/year 10.84 $/year
Annual commercial energy cost 18.4 $/year 39.42 $/year
Typical power consumption 17.06W 36.56W

bus

Clock speed 400 MHz 2,000 MHz

details

Pentium 745A  vs
Sempron 145 
Architecture x86 x86-64
Threads 1 1
L2 cache 2 MB 1 MB
L2 cache per core 2 MB/core 1 MB/core
Manufacture process 90 nm 45 nm
Max CPUs 1 1
Voltage range 1.28 - 1.34V 0.82 - 1.35V

overclocking

Overclocked clock speed 2.4 GHz 4.05 GHz
Overclocked clock speed (Water) 1.8 GHz 4.28 GHz
Overclocked clock speed (Air) 2.4 GHz 4.05 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 745A
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AMD Sempron 145
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