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Differences What are the advantages of each

Front view of Intel Core i5 3230M

Reasons to consider the
Intel Core i5 3230M

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Much newer manufacturing process 22 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 2.6 GHz vs 1.6 GHz Around 65% higher clock speed
More threads 4 vs 1 3 more threads
More cores 2 vs 1 Twice as many cores; run more applications at once
Front view of AMD Opteron 242

Reasons to consider the
AMD Opteron 242

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More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly lower typical power consumption 0.81W vs 28.44W 35x lower typical power consumption
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower annual home energy cost 0.24 $/year vs 8.43 $/year 35x lower annual home energy cost
Significantly lower annual commercial energy cost 0.88 $/year vs 30.66 $/year 35x lower annual commercial energy cost

Features Key features of the Core i5 3230M  vs Opteron 242 

clock speed

Core i5 3230M
2.6 GHz
Opteron 242
1.6 GHz

L2 cache

Specifications Full list of technical specs

summary

Core i5 3230M  vs
Opteron 242 
Clock speed 2.6 GHz 1.6 GHz
Cores Dual core Single core
Socket type
rPGA 988B
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

details

Core i5 3230M  vs
Opteron 242 
Threads 4 1
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 22 nm 130 nm
Max CPUs 1 2

power consumption

TDP 35W 1W
Annual home energy cost 8.43 $/year 0.24 $/year
Annual commercial energy cost 30.66 $/year 0.88 $/year
Typical power consumption 28.44W 0.81W
Intel Core i5 3230M
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AMD Opteron 242
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