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Differences What are the advantages of each

Front view of AMD Athlon II X3 445

Reasons to consider the
AMD Athlon II X3 445

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Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3.1 GHz vs 2.6 GHz Around 20% higher clock speed
Much better PassMark score 2,582 vs 355 More than 7.2x better PassMark score
Much better PassMark (Single core) score 1,049 vs 543 Around 95% better PassMark (Single core) score
Much better overclocked clock speed (Air) 3.72 GHz vs 2.31 GHz More than 60% better overclocked clock speed (Air)
More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Much better overclocked clock speed (Water) 3.88 GHz vs 1.83 GHz More than 2x better overclocked clock speed (Water)
Front view of AMD Athlon 64 X2 2500+

Reasons to consider the
AMD Athlon 64 X2 2500+

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CPUBoss is not aware of any important advantages of the Athlon 64 X2 2500+ vs the Athlon II X3 445.

Benchmarks Real world tests of Athlon II X3 445 vs 64 X2 2500+

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon II X3 445  vs
64 X2 2500+ 
Clock speed 3.1 GHz 2.6 GHz
Cores Tri core Dual core
Socket type
AM3
462
AM2

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

bus

Clock speed 2,000 MHz 333 MHz

details

Athlon II X3 445  vs
64 X2 2500+ 
Threads 3 2
L2 cache 2 MB 2 MB
L2 cache per core 0.67 MB/core 1 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.72 GHz 2.31 GHz
Overclocked clock speed (Water) 3.88 GHz 1.83 GHz
PassMark (Overclocked) 1,953.8 294.8
Overclocked clock speed (Air) 3.72 GHz 2.31 GHz

power consumption

Typical power consumption 77.19W N/A
AMD Athlon II X3 445
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AMD Athlon 64 X2 2500+
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