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Differences What are the advantages of each

Front view of Intel Atom N2600

Reasons to consider the
Intel Atom N2600

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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 lower typical power consumption 2.84W vs 72.31W 25.4x lower typical power consumption
Much better performance per watt 8.43 pt/W vs 1.15 pt/W More than 7.2x better performance per watt
Newer Dec, 2011 vs Nov, 2003 Release date over 8 years later
Much higher Maximum operating temperature 100 °C vs 71 °C More than 40% higher Maximum operating temperature
More threads 4 vs 1 3 more threads
Much lower annual home energy cost 0.84 $/year vs 21.44 $/year 25.4x lower annual home energy cost
Much lower annual commercial energy cost 3.07 $/year vs 77.96 $/year 25.4x lower annual commercial energy cost
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of AMD Opteron 848

Reasons to consider the
AMD Opteron 848

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Much better geekbench 3 AES single core score 123,000 MB/s vs 25,100 MB/s Around 5x better geekbench 3 AES single core score
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Higher clock speed 2.2 GHz vs 1.6 GHz Around 40% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly better overclocked clock speed (Air) 2.4 GHz vs 1.6 GHz More than 50% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.2 GHz vs 1.6 GHz Around 40% better overclocked clock speed (Water)

Benchmarks Real world tests of Atom N2600 vs Opteron 848

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

Atom N2600
25,100 MB/s
Opteron 848
123,000 MB/s

Specifications Full list of technical specs

summary

Atom N2600  vs
Opteron 848 
Clock speed 1.6 GHz 2.2 GHz
Cores Dual core Single core

features

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

details

Atom N2600  vs
Opteron 848 
Threads 4 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 32 nm 130 nm
Max CPUs 1 8
Operating temperature Unknown - 100°C 0 - 71°C

overclocking

Overclocked clock speed 1.6 GHz 2.4 GHz
Overclocked clock speed (Water) 1.6 GHz 2.2 GHz
Overclocked clock speed (Air) 1.6 GHz 2.4 GHz

power consumption

TDP 3.5W 89W
Annual home energy cost 0.84 $/year 21.44 $/year
Annual commercial energy cost 3.07 $/year 77.96 $/year
Performance per watt 8.43 pt/W 1.15 pt/W
Typical power consumption 2.84W 72.31W
Intel Atom N2600
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AMD Opteron 848
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