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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 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.16 GHz vs 1.4 GHz More than 2.2x higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Air) 4.46 GHz vs 1.4 GHz Around 3.2x better overclocked clock speed (Air)
Significantly better PassMark (Single core) score 1,318 vs 520 More than 2.5x better PassMark (Single core) score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better performance per dollar 0.63 pt/$ vs 0.41 pt/$ More than 50% better performance per dollar
Much better overclocked clock speed (Water) 4.42 GHz vs 1.4 GHz Around 3.2x better overclocked clock speed (Water)
Better PassMark score 2,291 vs 1,188 Around 95% better PassMark score
Front view of Intel Celeron 1047UE

Reasons to consider the
Intel Celeron 1047UE

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 13.81W vs 52.81W 3.8x lower typical power consumption
Much higher Maximum operating temperature 105 °C vs 72.4 °C More than 45% higher Maximum operating temperature
Newer Jan, 2013 vs Jan, 2008 Release date over 5 years later
Better performance per watt 3.14 pt/W vs 1.93 pt/W Around 65% better performance per watt
Much lower annual home energy cost 4.1 $/year vs 15.66 $/year 3.8x lower annual home energy cost
Much lower annual commercial energy cost 14.89 $/year vs 56.94 $/year 3.8x lower annual commercial energy cost

Benchmarks Real world tests of Core2 Duo E8500 vs Celeron 1047UE

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8500  vs
Celeron 1047UE 
Clock speed 3.16 GHz 1.4 GHz
Cores Dual core Dual core
Socket type
LGA 775
BGA 1023

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 17W
Annual home energy cost 15.66 $/year 4.1 $/year
Annual commercial energy cost 56.94 $/year 14.89 $/year
Performance per watt 1.93 pt/W 3.14 pt/W
Typical power consumption 52.81W 13.81W

details

Core2 Duo E8500  vs
Celeron 1047UE 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 72.4°C Unknown - 105°C

overclocking

Overclocked clock speed 4.46 GHz 1.4 GHz
Overclocked clock speed (Water) 4.42 GHz 1.4 GHz
Overclocked clock speed (Air) 4.46 GHz 1.4 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 900 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Core2 Duo E8500
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Intel Celeron 1047UE
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