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Differences What are the advantages of each

Front view of AMD Phenom II X3 700e

Reasons to consider the
AMD Phenom II X3 700e

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More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Front view of AMD Athlon II X2 270

Reasons to consider the
AMD Athlon II X2 270

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.4 GHz vs 2.4 GHz More than 40% higher clock speed
Much better PassMark (Single core) score 1,155 vs 772 Around 50% better PassMark (Single core) score
Much better performance per watt 2.03 pt/W vs 1.14 pt/W Around 80% better performance per watt
Much more l2 cache per core 1 MB/core vs 0.17 MB/core More than 6x more l2 cache per core
Much better overclocked clock speed (Air) 4.02 GHz vs 3.4 GHz Around 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.09 GHz vs 2.4 GHz More than 70% better overclocked clock speed (Water)
Newer May, 2011 vs Jun, 2009 Release date over 1 years later

Benchmarks Real world tests of Phenom II X3 700e vs Athlon II X2 270

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

Phenom II X3 700e
97.1 MB/s
Athlon II X2 270
136,900 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X3 700e  vs
Athlon II X2 270 
Clock speed 2.4 GHz 3.4 GHz
Cores Tri core Dual core

features

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

bus

Clock speed 2,000 MHz 3,400 MHz

details

Phenom II X3 700e  vs
Athlon II X2 270 
Threads 3 2
L2 cache 0.5 MB 2 MB
L2 cache per core 0.17 MB/core 1 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.4 GHz 4.02 GHz
Overclocked clock speed (Water) 2.4 GHz 4.09 GHz
PassMark (Overclocked) 1,825.9 810.1
Overclocked clock speed (Air) 3.4 GHz 4.02 GHz

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 1.14 pt/W 2.03 pt/W
Typical power consumption 52.81W 52.81W
AMD Phenom II X3 700e
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AMD Athlon II X2 270
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