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Differences What are the advantages of each

Front view of Intel Core i3 550

Reasons to consider the
Intel Core i3 550

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Much more l3 cache 4 MB vs 0 MB Compared to all cpus, 4 MB l3 cache is just OK
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 4 vs 2 Twice as many threads
Much more l3 cache per core 2 MB/core vs 0 MB/core Compared to all cpus, 2 MB/core l3 cache per core is just OK
Significantly better overclocked clock speed (Air) 4.54 GHz vs 4.3 GHz More than 5% better overclocked clock speed (Air)
Lower typical power consumption 59.31W vs 65W Around 10% lower typical power consumption
Lower annual commercial energy cost 63.95 $/year vs 70.08 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 17.59 $/year vs 19.27 $/year Around 10% lower annual home energy cost
Front view of AMD Phenom X2 B57

Reasons to consider the
AMD Phenom X2 B57

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Much 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 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Core i3 550 vs Phenom X2 B57

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 550  vs
Phenom X2 B57 
Clock speed 3.2 GHz 3.2 GHz
Cores Dual core Dual core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

details

Core i3 550  vs
Phenom X2 B57 
Threads 4 2
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 4 MB 0 MB
L3 cache per core 2 MB/core 0 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.54 GHz 4.3 GHz
Overclocked clock speed (Water) 3.2 GHz 3.2 GHz
Overclocked clock speed (Air) 4.54 GHz 4.3 GHz

power consumption

TDP 73W 80W
Annual home energy cost 17.59 $/year 19.27 $/year
Annual commercial energy cost 63.95 $/year 70.08 $/year
Performance per watt 1.98 pt/W 1.22 pt/W
Typical power consumption 59.31W 65W
Intel Core i3 550
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AMD Phenom X2 B57
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