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Differences What are the advantages of each

Front view of AMD Phenom II X6 Black 1100T

Reasons to consider the
AMD Phenom II X6 Black 1100T

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Much newer manufacturing process 45 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.3 GHz vs 2 GHz Around 65% higher clock speed
More cores 6 vs 1 5 more cores; run more applications at once
Much better overclocked clock speed (Air) 4.08 GHz vs 2.31 GHz More than 75% better overclocked clock speed (Air)
Significantly better PassMark score 5,778 vs 632 Around 9.2x better PassMark score
Newer Dec, 2010 vs May, 2004 Release date over 6 years later
More threads 6 vs 1 5 more threads
Much better overclocked clock speed (Water) 4.14 GHz vs 2 GHz More than 2x better overclocked clock speed (Water)
Better performance per watt 1.3 pt/W vs 0.3 pt/W More than 4.2x better performance per watt
Front view of AMD Opteron 246

Reasons to consider the
AMD Opteron 246

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Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much lower annual home energy cost 20.55 $/year vs 47.78 $/year 2.3x lower annual home energy cost
Much lower annual commercial energy cost 74.72 $/year vs 138.23 $/year More than 45% lower annual commercial energy cost
Higher Maximum operating temperature 71 °C vs 62 °C Around 15% higher Maximum operating temperature

Benchmarks Real world tests of Phenom II X6 Black 1100T vs Opteron 246

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Phenom II X6 Black 1100T  vs
Opteron 246 
Clock speed 3.3 GHz 2 GHz
Cores Hexa core Single core
Socket type
AM3
940

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Phenom II X6 Black 1100T  vs
Opteron 246 
Threads 6 1
L2 cache 3 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 45 nm 130 nm
Max CPUs 1 2
Clock multiplier 16 10
Voltage range 1 - 1.48V 1.3 - UnknownV
Operating temperature Unknown - 62°C 0 - 71°C

overclocking

Overclocked clock speed 4.08 GHz 2.31 GHz
Overclocked clock speed (Water) 4.14 GHz 2 GHz
PassMark (Overclocked) 2,532.3 851.3
Overclocked clock speed (Air) 4.08 GHz 2.31 GHz

power consumption

TDP 125W 85.3W
Annual home energy cost 47.78 $/year 20.55 $/year
Annual commercial energy cost 138.23 $/year 74.72 $/year
Performance per watt 1.3 pt/W 0.3 pt/W
Typical power consumption N/A 69.31W
AMD Phenom II X6 Black 1100T
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AMD Opteron 246
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