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Differences What are the advantages of each

Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Much newer manufacturing process 22 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3.2 GHz vs 2 GHz More than 60% higher clock speed
Newer Jun, 2012 vs Aug, 2003 Release date over 8 years later
Significantly better PassMark score 6,607 vs 632 Around 10.5x better PassMark score
Much better overclocked clock speed (Air) 3.67 GHz vs 2.31 GHz Around 60% better overclocked clock speed (Air)
More cores 4 vs 1 3 more cores; run more applications at once
Significantly better performance per watt 4.41 pt/W vs 0.29 pt/W Around 15.2x better performance per watt
More threads 4 vs 1 3 more threads
Much better overclocked clock speed (Water) 4.09 GHz vs 2 GHz More than 2x better overclocked clock speed (Water)
Front view of AMD Opteron 246

Reasons to consider the
AMD Opteron 246

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Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower typical power consumption 72.31W vs 86.05W More than 15% lower typical power consumption
Much lower annual home energy cost 21.44 $/year vs 31.22 $/year More than 30% lower annual home energy cost
Slightly higher Maximum operating temperature 71 °C vs 67.4 °C More than 5% higher Maximum operating temperature
Lower annual commercial energy cost 77.96 $/year vs 84.62 $/year Around 10% lower annual commercial energy cost

Benchmarks Real world tests of Core i5 3470 vs Opteron 246

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Core i5 3470  vs
Opteron 246 
Clock speed 3.2 GHz 2 GHz
Cores Quad core Single core
Socket type
LGA 1155
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Core i5 3470  vs
Opteron 246 
Threads 4 1
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 22 nm 130 nm
Max CPUs 1 2
Clock multiplier 32 10
Voltage range Unknown - 1.13V 1.5 - UnknownV
Operating temperature Unknown - 67.4°C 0 - 71°C

overclocking

Overclocked clock speed 3.67 GHz 2.31 GHz
Overclocked clock speed (Water) 4.09 GHz 2 GHz
Overclocked clock speed (Air) 3.67 GHz 2.31 GHz

power consumption

TDP 77W 89W
Annual home energy cost 31.22 $/year 21.44 $/year
Annual commercial energy cost 84.62 $/year 77.96 $/year
Performance per watt 4.41 pt/W 0.29 pt/W
Typical power consumption 86.05W 72.31W
Intel Core i5 3470
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AMD Opteron 246
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