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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 1.83 GHz Around 75% higher clock speed
Much better geekbench 2 (32-bit) score 2,970 vs 584 More than 5x better geekbench 2 (32-bit) score
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Air) 4.46 GHz vs 1.83 GHz Around 2.5x better overclocked clock speed (Air)
Much better PassMark (Single core) score 1,318 vs 281 Around 4.8x better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark score 2,291 vs 314 More than 7.2x better PassMark score
Much better overclocked clock speed (Water) 4.42 GHz vs 1.83 GHz Around 2.5x better overclocked clock speed (Water)
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of Intel Atom N475

Reasons to consider the
Intel Atom N475

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 5.28W vs 52.81W 10x lower typical power consumption
Significantly better performance per dollar 0.3 pt/$ vs 0.01 pt/$ More than 20.8x better performance per dollar
Newer Jun, 2010 vs Jan, 2008 Release date over 2 years later
Better performance per watt 3.41 pt/W vs 1.93 pt/W More than 75% better performance per watt
Much lower annual home energy cost 1.57 $/year vs 15.66 $/year 10x lower annual home energy cost
Much lower annual commercial energy cost 5.69 $/year vs 56.94 $/year 10x lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8500 vs Atom N475

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8500  vs
Atom N475 
Clock speed 3.16 GHz 1.83 GHz
Cores Dual core Single core

features

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

power consumption

TDP 65W 6.5W
Annual home energy cost 15.66 $/year 1.57 $/year
Annual commercial energy cost 56.94 $/year 5.69 $/year
Performance per watt 1.93 pt/W 3.41 pt/W
Typical power consumption 52.81W 5.28W

details

Core2 Duo E8500  vs
Atom N475 
Architecture x86-64 x86-64
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 410,000,000 123,000,000
Max CPUs 1 1
Clock multiplier 9 11

overclocking

Overclocked clock speed 4.46 GHz 1.83 GHz
Overclocked clock speed (Water) 4.42 GHz 1.83 GHz
Overclocked clock speed (Air) 4.46 GHz 1.83 GHz

integrated graphics

GPU None GPU
Label N/A Integrated
GPU clock speed N/A 200 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Core2 Duo E8500
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Intel Atom N475
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