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Differences What are the advantages of each

Front view of AMD Phenom II X4 910e

Reasons to consider the
AMD Phenom II X4 910e

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More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Front view of AMD Athlon II X2 280

Reasons to consider the
AMD Athlon II X2 280

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Much higher clock speed 3.6 GHz vs 2.6 GHz Around 40% higher clock speed
Much better overclocked clock speed (Air) 4.33 GHz vs 2.6 GHz More than 65% better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Water) 3.6 GHz vs 2.6 GHz Around 40% better overclocked clock speed (Water)
Newer Jan, 2013 vs Jan, 2010 Release date over 3 years later

Benchmarks Real world tests of Phenom II X4 910e vs Athlon II X2 280

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 X4 910e
104,950 MB/s
Athlon II X2 280
144,650 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X4 910e  vs
Athlon II X2 280 
Clock speed 2.6 GHz 3.6 GHz
Cores Quad 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

Phenom II X4 910e  vs
Athlon II X2 280 
Threads 4 2
L2 cache 2 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.6 GHz 4.33 GHz
Overclocked clock speed (Water) 2.6 GHz 3.6 GHz
Overclocked clock speed (Air) 2.6 GHz 4.33 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 1.99 pt/W 2.14 pt/W
Typical power consumption 52.81W 52.81W
AMD Phenom II X4 910e
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AMD Athlon II X2 280
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