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Differences What are the advantages of each

Front view of AMD Opteron 880

Reasons to consider the
AMD Opteron 880

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Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Front view of AMD Opteron 285

Reasons to consider the
AMD Opteron 285

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Significantly higher clock speed 2.6 GHz vs 2.4 GHz Around 10% higher clock speed
Slightly better overclocked clock speed (Air) 2.6 GHz vs 2.56 GHz Almost the same
Significantly better overclocked clock speed (Water) 2.6 GHz vs 2.4 GHz Around 10% better overclocked clock speed (Water)

Benchmarks Real world tests of Opteron 880 vs 285

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Opteron 880
1,379
Opteron 285
3,721

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Opteron 880
63,500 MB/s
Opteron 285
71.7 MB/s

Specifications Full list of technical specs

summary

Opteron 880  vs
285 
Clock speed 2.4 GHz 2.6 GHz
Cores Dual core Dual core
Socket type
940

features

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

details

Opteron 880  vs
285 
Threads 2 2
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 90 nm 90 nm
Max CPUs 8 2
Clock multiplier 12 13
Voltage range 1 - UnknownV 1 - UnknownV
Operating temperature 0 - 67°C 0 - 67°C

overclocking

Overclocked clock speed 2.56 GHz 2.6 GHz
Overclocked clock speed (Water) 2.4 GHz 2.6 GHz
Overclocked clock speed (Air) 2.56 GHz 2.6 GHz

power consumption

TDP 85W 85W
Annual home energy cost 20.48 $/year 20.48 $/year
Annual commercial energy cost 74.46 $/year 74.46 $/year
Performance per watt 0.84 pt/W 0.79 pt/W
Typical power consumption 69.06W 69.06W
AMD Opteron 880
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AMD Opteron 285
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