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Differences What are the advantages of each

Front view of Intel Xeon E5 2680 v2

Reasons to consider the
Intel Xeon E5 2680 v2

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Much higher clock speed 2.8 GHz vs 2.4 GHz More than 15% higher clock speed
More threads 20 vs 2 18 more threads
More cores 10 vs 2 8 more cores; run more applications at once
Much newer manufacturing process 22 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 12.44 pt/W vs 1.05 pt/W More than 11.8x better performance per watt
Much higher Maximum operating temperature 82 °C vs 67 °C More than 20% higher Maximum operating temperature
More l2 cache 2.5 MB vs 2 MB 25% more l2 cache; more data can be stored in the l2 cache for quick access later
Much better overclocked clock speed (Air) 3.4 GHz vs 2.67 GHz More than 25% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.49 GHz vs 2.4 GHz More than 45% better overclocked clock speed (Water)
Newer Jul, 2013 vs Sep, 2005 Release date over 7 years later
Front view of AMD Opteron 280

Reasons to consider the
AMD Opteron 280

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Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly lower typical power consumption 69.06W vs 93.44W More than 25% lower typical power consumption
Significantly lower annual commercial energy cost 74.46 $/year vs 100.74 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 20.48 $/year vs 27.7 $/year More than 25% lower annual home energy cost

Benchmarks Real world tests of Xeon E5 2680 v2 vs Opteron 280

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5 2680 v2
2,170,000 MB/s
Opteron 280
98,350 MB/s

Specifications Full list of technical specs

summary

Xeon E5 2680 v2  vs
Opteron 280 
Clock speed 2.8 GHz 2.4 GHz
Cores Deca core Dual core
Socket type
LGA 2011
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

Xeon E5 2680 v2  vs
Opteron 280 
Threads 20 2
L2 cache 2.5 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 22 nm 90 nm
Max CPUs 2 2
Clock multiplier 28 12
Operating temperature Unknown - 82°C 0 - 67°C

overclocking

Overclocked clock speed 3.4 GHz 2.67 GHz
Overclocked clock speed (Water) 3.49 GHz 2.4 GHz
Overclocked clock speed (Air) 3.4 GHz 2.67 GHz

power consumption

TDP 115W 85W
Annual home energy cost 27.7 $/year 20.48 $/year
Annual commercial energy cost 100.74 $/year 74.46 $/year
Performance per watt 12.44 pt/W 1.05 pt/W
Typical power consumption 93.44W 69.06W
Intel Xeon E5 2680 v2
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AMD Opteron 280
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