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Differences What are the advantages of each

Front view of AMD Opteron 1220

Reasons to consider the
AMD Opteron 1220

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Much higher clock speed 2.8 GHz vs 1.4 GHz 2x higher clock speed
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 overclocked clock speed (Air) 3.26 GHz vs 1.41 GHz More than 2.2x better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Better PassMark (Single core) score 882 vs 368 Around 2.5x better PassMark (Single core) score
More l3 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l3 cache per core
Slightly better PassMark score 1,653 vs 666 Around 2.5x better PassMark score
Much better overclocked clock speed (Water) 2.8 GHz vs 1.4 GHz 2x better overclocked clock speed (Water)
Front view of AMD E1 1200

Reasons to consider the
AMD E1 1200

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 14.63W vs 83.69W 5.7x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 55 °C More than 80% higher Maximum operating temperature
Newer Jun, 2012 vs Aug, 2006 Release date over 5 years later
Much lower annual home energy cost 4.34 $/year vs 24.81 $/year 5.7x lower annual home energy cost
Much lower annual commercial energy cost 15.77 $/year vs 90.23 $/year 5.7x lower annual commercial energy cost
Better performance per watt 2.33 pt/W vs 0.81 pt/W Around 3x better performance per watt

Benchmarks Real world tests of Opteron 1220 vs E1 1200

PassMark Data courtesy Passmark

Opteron 1220
1,653
E1 1200
666

PassMark (Single Core)

Specifications Full list of technical specs

summary

Opteron 1220  vs
E1 1200 
Clock speed 2.8 GHz 1.4 GHz
Cores Dual core Dual core
Is unlocked No No

features

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

power consumption

TDP 103W 18W
Annual home energy cost 24.81 $/year 4.34 $/year
Annual commercial energy cost 90.23 $/year 15.77 $/year
Performance per watt 0.81 pt/W 2.33 pt/W
Typical power consumption 83.69W 14.63W

details

Opteron 1220  vs
E1 1200 
Threads 2 2
L2 cache 2 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 1 MB 0.5 MB
L3 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 90 nm 32 nm
Max CPUs 1 1
Voltage range 1 - UnknownV 0.88 - 1.35V
Operating temperature 0 - 55°C Unknown - 100°C

overclocking

Overclocked clock speed 3.26 GHz 1.41 GHz
Overclocked clock speed (Water) 2.8 GHz 1.4 GHz
Overclocked clock speed (Air) 3.26 GHz 1.41 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 7310
Latest DirectX N/A 11.0
AMD Opteron 1220
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AMD E1 1200
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