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Differences What are the advantages of each

Front view of AMD Athlon X2 4450e

Reasons to consider the
AMD Athlon X2 4450e

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Much newer manufacturing process 65 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 2.3 GHz vs 2 GHz Around 15% higher clock speed
More cores 2 vs 1 Twice as many cores; run more applications at once
More threads 2 vs 1 Twice as many threads
Much better performance per watt 1.56 pt/W vs 0.34 pt/W More than 4.5x better performance per watt
Much lower typical power consumption 36.56W vs 72.31W Around 50% lower typical power consumption
Much higher Maximum operating temperature 78 °C vs 70 °C More than 10% higher Maximum operating temperature
Much better overclocked clock speed (Air) 3.01 GHz vs 2.69 GHz More than 10% better overclocked clock speed (Air)
Much lower annual commercial energy cost 39.42 $/year vs 77.96 $/year Around 50% lower annual commercial energy cost
Much lower annual home energy cost 10.84 $/year vs 21.44 $/year Around 50% lower annual home energy cost
Significantly better overclocked clock speed (Water) 3.27 GHz vs 2.87 GHz Around 15% better overclocked clock speed (Water)
Newer Apr, 2008 vs May, 2006 Release date over 1 years later
Front view of AMD Athlon 64 3200+

Reasons to consider the
AMD Athlon 64 3200+

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Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Athlon X2 4450e vs 64 3200+

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 4450e
63,550 MB/s
Athlon 64 3200+
52.6 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 4450e  vs
64 3200+ 
Clock speed 2.3 GHz 2 GHz
Cores Dual core Single core
Socket type
AM2
754

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 4450e  vs
64 3200+ 
Threads 2 1
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 1 MB/core
Manufacture process 65 nm 130 nm
Max CPUs 1 1
Operating temperature Unknown - 78°C Unknown - 70°C

overclocking

Overclocked clock speed 3.01 GHz 2.69 GHz
Overclocked clock speed (Water) 3.27 GHz 2.87 GHz
Overclocked clock speed (Air) 3.01 GHz 2.69 GHz

power consumption

TDP 45W 89W
Annual home energy cost 10.84 $/year 21.44 $/year
Annual commercial energy cost 39.42 $/year 77.96 $/year
Performance per watt 1.56 pt/W 0.34 pt/W
Typical power consumption 36.56W 72.31W
AMD Athlon X2 4450e
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AMD Athlon 64 3200+
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