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Differences What are the advantages of each

Front view of Intel Core i7 3970X

Reasons to consider the
Intel Core i7 3970X

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Much newer manufacturing process 32 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.5 GHz vs 2.2 GHz Around 60% higher clock speed
Much better geekbench 2 (32-bit) score 19,956 vs 859 Around 23.2x better geekbench 2 (32-bit) score
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better PassMark score 12,923 vs 603 Around 21.5x better PassMark score
Much better PassMark (Single core) score 2,047 vs 682 More than 3x better PassMark (Single core) score
More cores 6 vs 1 5 more cores; run more applications at once
More threads 12 vs 1 11 more threads
Much better performance per watt 8.17 pt/W vs 0.59 pt/W More than 13.8x better performance per watt
Much better overclocked clock speed (Air) 4.57 GHz vs 2.8 GHz Around 65% better overclocked clock speed (Air)
Newer Nov, 2012 vs May, 2004 Release date over 8 years later
Much better overclocked clock speed (Water) 4.44 GHz vs 2.2 GHz More than 2x better overclocked clock speed (Water)
Front view of AMD Opteron 148

Reasons to consider the
AMD Opteron 148

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Much lower typical power consumption 69.31W vs 121.88W Around 45% lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.33 MB/core More than 3x more l2 cache per core
Much lower annual home energy cost 20.55 $/year vs 36.13 $/year Around 45% lower annual home energy cost
Much lower annual commercial energy cost 74.72 $/year vs 131.4 $/year Around 45% lower annual commercial energy cost
Higher Maximum operating temperature 71 °C vs 66.8 °C More than 5% higher Maximum operating temperature

Benchmarks Real world tests of Core i7 3970X vs Opteron 148

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Core i7 3970X
21,346
Opteron 148
1,586

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 3970X  vs
Opteron 148 
Clock speed 3.5 GHz 2.2 GHz
Cores Hexa core Single core
Socket type
LGA 2011
939
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

power consumption

TDP 150W 85.3W
Annual home energy cost 36.13 $/year 20.55 $/year
Annual commercial energy cost 131.4 $/year 74.72 $/year
Performance per watt 8.17 pt/W 0.59 pt/W
Typical power consumption 121.88W 69.31W

details

Core i7 3970X  vs
Opteron 148 
Threads 12 1
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 1 MB/core
Manufacture process 32 nm 130 nm
Max CPUs 1 1
Clock multiplier 35 11
Voltage range 0.6 - 1.35V 1.3 - UnknownV
Operating temperature Unknown - 66.8°C 0 - 71°C

overclocking

Overclock popularity 28 0
Overclock review score 0.2 0
Overclocked clock speed 4.57 GHz 2.8 GHz
Overclocked clock speed (Water) 4.44 GHz 2.2 GHz
Overclocked clock speed (Air) 4.57 GHz 2.8 GHz
Intel Core i7 3970X
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AMD Opteron 148
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