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Differences What are the advantages of each

Front view of AMD Athlon X2 62

Reasons to consider the
AMD Athlon X2 62

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Much better geekbench 3 AES single core score 53,700 MB/s vs 85.5 MB/s More than 628x better geekbench 3 AES single core score
Much newer manufacturing process 65 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 20.31W vs 52.81W 2.6x lower typical power consumption
Better performance per watt 2.38 pt/W vs 0.89 pt/W Around 2.8x better performance per watt
Much lower annual home energy cost 6.02 $/year vs 15.66 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 56.94 $/year 2.6x 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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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Higher clock speed 2.3 GHz vs 2 GHz Around 15% higher clock speed
Better overclocked clock speed (Air) 2.75 GHz vs 2.02 GHz More than 35% better overclocked clock speed (Air)
Better geekbench 3 Multi-Core score 2,435 vs 1,541 Around 60% better geekbench 3 Multi-Core score
Significantly better overclocked clock speed (Water) 3.13 GHz vs 2 GHz More than 55% better overclocked clock speed (Water)

Benchmarks Real world tests of Athlon X2 62 vs 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

Athlon X2 62
53,700 MB/s
Athlon 64 X2 4400+
85.5 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 X2 62  vs
64 X2 4400+ 
Clock speed 2 GHz 2.3 GHz
Cores Dual core Dual core
Socket type
S1
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

Athlon X2 62  vs
64 X2 4400+ 
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 65 nm 90 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.02 GHz 2.75 GHz
Overclocked clock speed (Water) 2 GHz 3.13 GHz
Overclocked clock speed (Air) 2.02 GHz 2.75 GHz

power consumption

TDP 25W 65W
Annual home energy cost 6.02 $/year 15.66 $/year
Annual commercial energy cost 21.9 $/year 56.94 $/year
Performance per watt 2.38 pt/W 0.89 pt/W
Typical power consumption 20.31W 52.81W
AMD Athlon X2 62
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AMD Athlon 64 X2 4400+
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