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Differences What are the advantages of each

Front view of Intel Core i5 3337U

Reasons to consider the
Intel Core i5 3337U

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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
Much better performance per watt 21.65 pt/W vs 1.84 pt/W More than 11.8x better performance per watt
Much higher Maximum operating temperature 105 °C vs 70 °C 50% higher Maximum operating temperature
Better PassMark (Single core) score 1,262 vs 663 More than 90% better PassMark (Single core) score
Better PassMark score 3,161 vs 433 More than 7.2x better PassMark score
More threads 4 vs 1 3 more threads
Lower typical power consumption 13.81W vs 20.31W More than 30% lower typical power consumption
More cores 2 vs 1 Twice as many cores; run more applications at once
Better overclocked clock speed (Air) 2.7 GHz vs 2.47 GHz Around 10% better overclocked clock speed (Air)
Lower annual home energy cost 4.1 $/year vs 6.02 $/year More than 30% lower annual home energy cost
Lower annual commercial energy cost 14.89 $/year vs 21.9 $/year More than 30% lower annual commercial energy cost
Front view of AMD Athlon 64 3100+

Reasons to consider the
AMD Athlon 64 3100+

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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
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core

Benchmarks Real world tests of Core i5 3337U vs Athlon 64 3100+

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3337U  vs
Athlon 64 3100+ 
Clock speed 1.8 GHz 1.8 GHz
Cores Dual core Single core
Socket type
BGA 1023
754
462
AM2

features

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

details

Core i5 3337U  vs
Athlon 64 3100+ 
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 1
Operating temperature Unknown - 105°C Unknown - 70°C

overclocking

Overclocked clock speed 2.7 GHz 2.47 GHz
Overclocked clock speed (Water) 1.8 GHz 1.8 GHz
Overclocked clock speed (Air) 2.7 GHz 2.47 GHz

power consumption

TDP 17W 25W
Annual home energy cost 4.1 $/year 6.02 $/year
Annual commercial energy cost 14.89 $/year 21.9 $/year
Performance per watt 21.65 pt/W 1.84 pt/W
Typical power consumption 13.81W 20.31W
Intel Core i5 3337U
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AMD Athlon 64 3100+
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