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Differences What are the advantages of each

Front view of AMD Athlon X2 4050e

Reasons to consider the
AMD Athlon X2 4050e

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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 1.44 pt/W vs 0.89 pt/W More than 60% better performance per watt
Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Significantly better overclocked clock speed (Air) 3.01 GHz vs 2.75 GHz Around 10% 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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Higher clock speed 2.3 GHz vs 2.1 GHz Around 10% higher clock speed
Much better overclocked clock speed (Water) 3.13 GHz vs 2.1 GHz Around 50% better overclocked clock speed (Water)

Benchmarks Real world tests of Athlon X2 4050e 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 4050e
57,300 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 4050e  vs
64 X2 4400+ 
Clock speed 2.1 GHz 2.3 GHz
Cores Dual core Dual core
Socket type
AM2
939

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Athlon X2 4050e  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 3.01 GHz 2.75 GHz
Overclocked clock speed (Water) 2.1 GHz 3.13 GHz
Overclocked clock speed (Air) 3.01 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 1.44 pt/W 0.89 pt/W
Typical power consumption 36.56W 52.81W
AMD Athlon X2 4050e
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AMD Athlon 64 X2 4400+
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