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Differences What are the advantages of each

Front view of Intel Core i7 3770

Reasons to consider the
Intel Core i7 3770

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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 3.4 GHz vs 2.2 GHz Around 55% higher clock speed
Much better PassMark score 9,449 vs 476 More than 19.8x better PassMark score
Much better performance per watt 7.25 pt/W vs 0.23 pt/W More than 31.8x better performance per watt
Newer Apr, 2012 vs May, 2004 Release date over 8 years later
More threads 8 vs 1 7 more threads
More cores 4 vs 1 3 more cores; run more applications at once
Significantly better overclocked clock speed (Air) 4.03 GHz vs 3.02 GHz Around 35% better overclocked clock speed (Air)
Lower typical power consumption 62.56W vs 69.31W Around 10% lower typical power consumption
Much better overclocked clock speed (Water) 4.32 GHz vs 1.8 GHz Around 2.5x better overclocked clock speed (Water)
Lower annual home energy cost 18.55 $/year vs 20.55 $/year Around 10% lower annual home energy cost
Lower annual commercial energy cost 67.45 $/year vs 74.72 $/year Around 10% lower annual commercial energy cost
Front view of AMD Opteron 248

Reasons to consider the
AMD Opteron 248

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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
Slightly higher Maximum operating temperature 71 °C vs 67.4 °C More than 5% higher Maximum operating temperature

Benchmarks Real world tests of Core i7 3770 vs Opteron 248

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Core i7 3770  vs
Opteron 248 
Clock speed 3.4 GHz 2.2 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 i7 3770  vs
Opteron 248 
Threads 8 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 34 11
Operating temperature Unknown - 67.4°C 0 - 71°C

overclocking

Overclocked clock speed 4.03 GHz 3.02 GHz
Overclocked clock speed (Water) 4.32 GHz 1.8 GHz
PassMark (Overclocked) 3,085.5 879.3
Overclocked clock speed (Air) 4.03 GHz 3.02 GHz

power consumption

TDP 77W 85.3W
Annual home energy cost 18.55 $/year 20.55 $/year
Annual commercial energy cost 67.45 $/year 74.72 $/year
Performance per watt 7.25 pt/W 0.23 pt/W
Typical power consumption 62.56W 69.31W
Intel Core i7 3770
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AMD Opteron 248
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