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Differences What are the advantages of each

Front view of AMD Athlon II X2 280

Reasons to consider the
AMD Athlon II X2 280

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Higher clock speed 3.6 GHz vs 3.4 GHz More than 5% higher clock speed
Much better overclocked clock speed (Air) 4.33 GHz vs 4.02 GHz Around 10% better overclocked clock speed (Air)
Newer Jan, 2013 vs May, 2011 Release date over 1 years later
Front view of AMD Athlon II X2 270

Reasons to consider the
AMD Athlon II X2 270

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Significantly better overclocked clock speed (Water) 4.09 GHz vs 3.6 GHz Around 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Athlon II X2 280 vs 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

Athlon II X2 280
144,650 MB/s
Athlon II X2 270
136,900 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon II X2 280  vs
270 
Clock speed 3.6 GHz 3.4 GHz
Cores Dual 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

details

Athlon II X2 280  vs
270 
Threads 2 2
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.33 GHz 4.02 GHz
Overclocked clock speed (Water) 3.6 GHz 4.09 GHz
Overclocked clock speed (Air) 4.33 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 2.14 pt/W 2.03 pt/W
Typical power consumption 52.81W 52.81W
AMD Athlon II X2 280
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AMD Athlon II X2 270
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