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Differences What are the advantages of each

Front view of Intel Core2 Duo E8500

Reasons to consider the
Intel Core2 Duo E8500

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Much more l2 cache 6 MB vs 0.5 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.16 GHz vs 1.6 GHz Around 2x higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Much better overclocked clock speed (Air) 4.46 GHz vs 1.6 GHz More than 2.8x better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better overclocked clock speed (Water) 4.42 GHz vs 1.6 GHz More than 2.8x better overclocked clock speed (Water)
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of Intel Atom Z530P

Reasons to consider the
Intel Atom Z530P

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Much lower typical power consumption 1.79W vs 52.81W 29.5x lower typical power consumption
Much lower annual home energy cost 0.53 $/year vs 15.66 $/year 29.5x lower annual home energy cost
Much lower annual commercial energy cost 1.93 $/year vs 56.94 $/year 29.5x lower annual commercial energy cost
Newer Mar, 2009 vs Jan, 2008 Release date over 1 years later

Features Key features of the Core2 Duo E8500  vs Atom Z530P 

clock speed

Core2 Duo E8500
3.16 GHz
Atom Z530P
1.6 GHz

L2 cache

overclocked clock speed (air)

Core2 Duo E8500
4.46 GHz
Atom Z530P
1.6 GHz

overclocked clock speed (water)

Core2 Duo E8500
4.42 GHz
Atom Z530P
1.6 GHz

Specifications Full list of technical specs

summary

Core2 Duo E8500  vs
Atom Z530P 
Clock speed 3.16 GHz 1.6 GHz
Cores Dual core Single core
Socket type
LGA 775
437

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 2.2W
Annual home energy cost 15.66 $/year 0.53 $/year
Annual commercial energy cost 56.94 $/year 1.93 $/year
Typical power consumption 52.81W 1.79W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 533 MHz

details

Core2 Duo E8500  vs
Atom Z530P 
Architecture x86-64 x86
Threads 2 2
L2 cache 6 MB 0.5 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Transistor count 410,000,000 47,000,000
Max CPUs 1 1
Clock multiplier 9 12
Voltage range 0.85 - 1.36V 0.8 - 1.1V

overclocking

Overclocked clock speed 4.46 GHz 1.6 GHz
Overclocked clock speed (Water) 4.42 GHz 1.6 GHz
Overclocked clock speed (Air) 4.46 GHz 1.6 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 Core2 Duo E8500
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Intel Atom Z530P
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