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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 lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost
Front view of AMD Athlon II X3 445

Reasons to consider the
AMD Athlon II X3 445

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 0.5 MB vs 0 MB Compared to all cpus, 0.5 MB l3 cache is just OK
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much better PassMark score 2,582 vs 1,383 More than 85% better PassMark score
Much better geekbench 2 (32-bit) score 4,066 vs 1,937 More than 2x better geekbench 2 (32-bit) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3.1 GHz vs 2.7 GHz Around 15% higher clock speed
More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Much better performance per watt 1.42 pt/W vs 0.78 pt/W More than 80% better performance per watt
Much more l2 cache per core 0.67 MB/core vs 0.5 MB/core Around 35% more l2 cache per core
Much higher Maximum operating temperature 75 °C vs 68 °C More than 10% higher Maximum operating temperature
Better overclocked clock speed (Air) 3.72 GHz vs 3.61 GHz Around 5% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.88 GHz vs 3.38 GHz Around 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Athlon X2 5200+ vs II X3 445

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 II X3 445
125,450 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon X2 5200+  vs
II X3 445 
Clock speed 2.7 GHz 3.1 GHz
Cores Dual core Tri core
Socket type
AM3
AM2
Is unlocked No Yes

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 95W
Annual home energy cost 15.66 $/year 22.89 $/year
Annual commercial energy cost 56.94 $/year 83.22 $/year
Performance per watt 0.78 pt/W 1.42 pt/W
Typical power consumption 52.81W 77.19W

bus

Clock speed 2,000 MHz 2,000 MHz

details

Athlon X2 5200+  vs
II X3 445 
Architecture x86-64 x86-64
Threads 2 3
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.67 MB/core
L3 cache 0 MB 0.5 MB
L3 cache per core 0 MB/core 0.17 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Voltage range 0.95 - 1.4V 0.85 - 1.4V
Operating temperature 55 - 68°C Unknown - 75°C

overclocking

Overclocked clock speed 3.61 GHz 3.72 GHz
Overclocked clock speed (Water) 3.38 GHz 3.88 GHz
PassMark (Overclocked) 1,603.5 1,953.8
Overclocked clock speed (Air) 3.61 GHz 3.72 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 II X3 445
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