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Differences What are the advantages of each

Front view of AMD Sempron X2 190

Reasons to consider the
AMD Sempron X2 190

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 36.56W vs 89.38W 2.4x lower typical power consumption
Newer Aug, 2011 vs Mar, 2006 Release date over 5 years later
Significantly better overclocked clock speed (Air) 3.94 GHz vs 3.04 GHz Around 30% better overclocked clock speed (Air)
Much lower annual home energy cost 10.84 $/year vs 26.5 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 96.36 $/year 2.4x lower annual commercial energy cost
Better performance per watt 1.4 pt/W vs 0.53 pt/W Around 2.8x better performance per watt
Front view of AMD Opteron 185

Reasons to consider the
AMD Opteron 185

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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 more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Sempron X2 190 vs Opteron 185

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

Sempron X2 190
95.4 MB/s
Opteron 185
76.7 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron X2 190  vs
Opteron 185 
Clock speed 2.5 GHz 2.6 GHz
Cores Dual core Dual core

features

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

details

Sempron X2 190  vs
Opteron 185 
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.94 GHz 3.04 GHz
Overclocked clock speed (Water) 2.5 GHz 2.6 GHz
PassMark (Overclocked) 2,355.3 1,089.9
Overclocked clock speed (Air) 3.94 GHz 3.04 GHz

power consumption

TDP 45W 110W
Annual home energy cost 10.84 $/year 26.5 $/year
Annual commercial energy cost 39.42 $/year 96.36 $/year
Performance per watt 1.4 pt/W 0.53 pt/W
Typical power consumption 36.56W 89.38W
AMD Sempron X2 190
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AMD Opteron 185
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