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Differences What are the advantages of each

Front view of Intel Core2 Duo P8800

Reasons to consider the
Intel Core2 Duo P8800

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Significantly more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 2.66 GHz vs 2 GHz Around 35% higher clock speed
Much lower typical power consumption 20.31W vs 60.94W 3x lower typical power consumption
Much more l2 cache per core 1.5 MB/core vs 0.5 MB/core 3x more l2 cache per core
Significantly better overclocked clock speed (Air) 3 GHz vs 2 GHz Around 50% better overclocked clock speed (Air)
Better performance per watt 4.03 pt/W vs 1.54 pt/W Around 2.8x better performance per watt
Newer Jun, 2009 vs Sep, 2007 Release date over 1 years later
Much lower annual home energy cost 6.02 $/year vs 18.07 $/year 3x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 65.7 $/year 3x lower annual commercial energy cost
Better overclocked clock speed (Water) 2.67 GHz vs 2 GHz Around 35% better overclocked clock speed (Water)
Front view of AMD Opteron 2350

Reasons to consider the
AMD Opteron 2350

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Slightly better PassMark score 2,820 vs 1,748 More than 60% better PassMark score

Benchmarks Real world tests of Core2 Duo P8800 vs Opteron 2350

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Core2 Duo P8800  vs
Opteron 2350 
Clock speed 2.66 GHz 2 GHz
Cores Dual core Quad core
Socket type
479
P
F

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 25W 75W
Annual home energy cost 6.02 $/year 18.07 $/year
Annual commercial energy cost 21.9 $/year 65.7 $/year
Performance per watt 4.03 pt/W 1.54 pt/W
Typical power consumption 20.31W 60.94W

details

Core2 Duo P8800  vs
Opteron 2350 
Threads 2 4
L2 cache 3 MB 2 MB
L2 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 2
Clock multiplier 10 10
Voltage range 1 - 1.25V 1 - UnknownV

overclocking

Overclocked clock speed 3 GHz 2 GHz
Overclocked clock speed (Water) 2.67 GHz 2 GHz
Overclocked clock speed (Air) 3 GHz 2 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 1,066 MHz 1,000 MHz
Intel Core2 Duo P8800
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AMD Opteron 2350
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