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Differences What are the advantages of each

Front view of AMD Athlon X4 730

Reasons to consider the
AMD Athlon X4 730

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Much lower typical power consumption 52.81W vs 81.25W 35% lower typical power consumption
Much lower annual home energy cost 15.66 $/year vs 24.09 $/year 35% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 87.6 $/year 35% lower annual commercial energy cost
Front view of AMD Athlon II X4 651

Reasons to consider the
AMD Athlon II X4 651

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Higher clock speed 3 GHz vs 2.8 GHz More than 5% higher clock speed

Benchmarks Real world tests of Athlon X4 730 vs II X4 651

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 X4 730
1,725,000 MB/s
Athlon II X4 651
125,700 MB/s

Specifications Full list of technical specs

summary

Athlon X4 730  vs
II X4 651 
Clock speed 2.8 GHz 3 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
AMD64
AMD-V
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Athlon X4 730  vs
II X4 651 
Threads 4 4
L2 cache 4 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1

power consumption

TDP 65W 100W
Annual home energy cost 15.66 $/year 24.09 $/year
Annual commercial energy cost 56.94 $/year 87.6 $/year
Performance per watt 16.18 pt/W 1.51 pt/W
Typical power consumption 52.81W 81.25W
AMD Athlon X4 730
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AMD Athlon II X4 651
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