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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 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3.4 GHz vs 2.4 GHz More than 40% higher clock speed
Much better PassMark score 9,449 vs 649 More than 14.5x better PassMark score
Much better performance per watt 7.25 pt/W vs 0.48 pt/W More than 15x better performance per watt
Much better overclocked clock speed (Air) 4.03 GHz vs 2.59 GHz More than 55% better overclocked clock speed (Air)
Newer Apr, 2012 vs Mar, 2005 Release date over 7 years later
More threads 8 vs 1 7 more threads
More cores 4 vs 1 3 more cores; run more applications at once
Much better overclocked clock speed (Water) 4.32 GHz vs 2.4 GHz Around 80% better overclocked clock speed (Water)
Front view of AMD Opteron 250 HE

Reasons to consider the
AMD Opteron 250 HE

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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 44.69W vs 62.56W Around 30% lower typical power consumption
Slightly higher Maximum operating temperature 71 °C vs 67.4 °C More than 5% higher Maximum operating temperature
Lower annual home energy cost 13.25 $/year vs 18.55 $/year Around 30% lower annual home energy cost
Lower annual commercial energy cost 48.18 $/year vs 67.45 $/year Around 30% lower annual commercial energy cost

Benchmarks Real world tests of Core i7 3770 vs Opteron 250 HE

GeekBench (32-bit) Data courtesy Primate Labs


PassMark Data courtesy Passmark

Specifications Full list of technical specs


Core i7 3770  vs
Opteron 250 HE 
Clock speed 3.4 GHz 2.4 GHz
Cores Quad core Single core
Socket type
LGA 1155


Has a NX bit Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes


Core i7 3770  vs
Opteron 250 HE 
Threads 8 1
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 22 nm 90 nm
Max CPUs 1 2
Clock multiplier 34 12
Operating temperature Unknown - 67.4°C 0 - 71°C


Overclocked clock speed 4.03 GHz 2.59 GHz
Overclocked clock speed (Water) 4.32 GHz 2.4 GHz
PassMark (Overclocked) 3,085.5 925.7
Overclocked clock speed (Air) 4.03 GHz 2.59 GHz

power consumption

TDP 77W 55W
Annual home energy cost 18.55 $/year 13.25 $/year
Annual commercial energy cost 67.45 $/year 48.18 $/year
Performance per watt 7.25 pt/W 0.48 pt/W
Typical power consumption 62.56W 44.69W
Intel Core i7 3770
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AMD Opteron 250 HE
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