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Differences What are the advantages of each

Front view of Intel Core i5 520UM

Reasons to consider the
Intel Core i5 520UM

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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
Much lower typical power consumption 14.63W vs 89.38W 6.1x lower typical power consumption
Much lower annual home energy cost 4.34 $/year vs 26.5 $/year 6.1x lower annual home energy cost
Much lower annual commercial energy cost 15.77 $/year vs 96.36 $/year 6.1x lower annual commercial energy cost
More threads 4 vs 2 Twice as many threads
Front view of AMD Opteron 190

Reasons to consider the
AMD Opteron 190

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Much higher clock speed 2.8 GHz vs 1.07 GHz More than 2.5x 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) 3.11 GHz vs 1.07 GHz Around 3x 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
Much better overclocked clock speed (Water) 2.8 GHz vs 1.07 GHz More than 2.5x better overclocked clock speed (Water)

Features Key features of the Core i5 520UM  vs Opteron 190 

clock speed

Core i5 520UM
1.07 GHz
Opteron 190
2.8 GHz

L2 cache

overclocked clock speed (air)

Core i5 520UM
1.07 GHz
Opteron 190
3.11 GHz

overclocked clock speed (water)

Core i5 520UM
1.07 GHz
Opteron 190
2.8 GHz

TDP

Specifications Full list of technical specs

summary

Core i5 520UM  vs
Opteron 190 
Clock speed 1.07 GHz 2.8 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Core i5 520UM  vs
Opteron 190 
Threads 4 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 32 nm 90 nm
Max CPUs 1 1
Clock multiplier 8 14

overclocking

Overclocked clock speed 1.07 GHz 3.11 GHz
Overclocked clock speed (Water) 1.07 GHz 2.8 GHz
Overclocked clock speed (Air) 1.07 GHz 3.11 GHz

power consumption

TDP 18W 110W
Annual home energy cost 4.34 $/year 26.5 $/year
Annual commercial energy cost 15.77 $/year 96.36 $/year
Typical power consumption 14.63W 89.38W
Intel Core i5 520UM
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AMD Opteron 190
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