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Differences What are the advantages of each

Front view of AMD Sempron 1300

Reasons to consider the
AMD Sempron 1300

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Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 1.31 pt/W vs 0.89 pt/W More than 45% better performance per watt
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Significantly better overclocked clock speed (Air) 2.95 GHz vs 2.75 GHz More than 5% better overclocked clock speed (Air)
Significantly lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost
Front view of AMD Athlon 64 X2 4400+

Reasons to consider the
AMD Athlon 64 X2 4400+

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More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Water) 3.13 GHz vs 2.3 GHz More than 35% better overclocked clock speed (Water)

Benchmarks Real world tests of Sempron 1300 vs Athlon 64 X2 4400+

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

Sempron 1300
61,900 MB/s
Athlon 64 X2 4400+
85.5 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Sempron 1300  vs
Athlon 64 X2 4400+ 
Clock speed 2.3 GHz 2.3 GHz
Cores Single core Dual core
Socket type
462
AM2
939

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Sempron 1300  vs
Athlon 64 X2 4400+ 
Threads 1 2
L2 cache 1 MB 1 MB
L2 cache per core 1 MB/core 0.5 MB/core
Manufacture process 65 nm 90 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.95 GHz 2.75 GHz
Overclocked clock speed (Water) 2.3 GHz 3.13 GHz
PassMark (Overclocked) 1,110.2 1,605.4
Overclocked clock speed (Air) 2.95 GHz 2.75 GHz

power consumption

TDP 45W 65W
Annual home energy cost 10.84 $/year 15.66 $/year
Annual commercial energy cost 39.42 $/year 56.94 $/year
Performance per watt 1.31 pt/W 0.89 pt/W
Typical power consumption 36.56W 52.81W
AMD Sempron 1300
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AMD Athlon 64 X2 4400+
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