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Differences What are the advantages of each

Front view of AMD Athlon X2 5200+

Reasons to consider the
AMD Athlon X2 5200+

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Much better PassMark (Single core) score 810 vs 692 More than 15% better PassMark (Single core) score
Significantly higher clock speed 2.7 GHz vs 2.3 GHz More than 15% higher clock speed
Much better overclocked clock speed (Air) 3.61 GHz vs 3 GHz More than 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.38 GHz vs 2.58 GHz More than 30% better overclocked clock speed (Water)
Newer Aug, 2010 vs Apr, 2008 Release date over 2 years later
Front view of AMD Athlon X2 4450B

Reasons to consider the
AMD Athlon X2 4450B

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Much more l3 cache 0.5 MB vs 0 MB Compared to all cpus, 0.5 MB l3 cache is just OK
Much better performance per watt 1.58 pt/W vs 0.78 pt/W More than 2x better performance per watt
Much more l3 cache per core 0.25 MB/core vs 0 MB/core Compared to all cpus, 0.25 MB/core l3 cache per core is just OK
Much higher Maximum operating temperature 78 °C vs 68 °C Around 15% higher Maximum operating temperature
Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
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

Benchmarks Real world tests of Athlon X2 5200+ vs 4450B

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 5200+
54.2 MB/s
Athlon X2 4450B
63,200 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 5200+  vs
4450B 
Clock speed 2.7 GHz 2.3 GHz
Cores Dual core Dual core
Socket type
AM3
AM2
AM2+
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 45W
Annual home energy cost 15.66 $/year 10.84 $/year
Annual commercial energy cost 56.94 $/year 39.42 $/year
Performance per watt 0.78 pt/W 1.58 pt/W
Typical power consumption 52.81W 36.56W

details

Athlon X2 5200+  vs
4450B 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 0 MB 0.5 MB
L3 cache per core 0 MB/core 0.25 MB/core
Manufacture process 65 nm 65 nm
Max CPUs 1 1
Operating temperature 55 - 68°C Unknown - 78°C

overclocking

Overclocked clock speed 3.61 GHz 3 GHz
Overclocked clock speed (Water) 3.38 GHz 2.58 GHz
Overclocked clock speed (Air) 3.61 GHz 3 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
AMD Athlon X2 5200+
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AMD Athlon X2 4450B
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