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Differences What are the advantages of each

Front view of AMD K8 Athlon XP-M 3000+

Reasons to consider the
AMD K8 Athlon XP-M 3000+

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Significantly lower typical power consumption 50.38W vs 81.25W Around 40% lower typical power consumption
Significantly higher Maximum operating temperature 95 °C vs 74 °C Around 30% higher Maximum operating temperature
Significantly lower annual home energy cost 14.94 $/year vs 24.09 $/year Around 40% lower annual home energy cost
Significantly lower annual commercial energy cost 54.31 $/year vs 87.6 $/year Around 40% lower annual commercial energy cost
Front view of AMD A8 5600K

Reasons to consider the
AMD A8 5600K

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Much newer manufacturing process 32 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l2 cache 4 MB vs 0.25 MB 16x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3.6 GHz vs 1.6 GHz 2.2x higher clock speed
Much better overclocked clock speed (Air) 4.29 GHz vs 1.97 GHz Around 2.2x better overclocked clock speed (Air)
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly better PassMark (Single core) score 1,377 vs 561 Around 2.5x better PassMark (Single core) score
More cores 4 vs 1 3 more cores; run more applications at once
Significantly better performance per watt 4.86 pt/W vs 0.63 pt/W Around 7.8x better performance per watt
Better PassMark score 4,326 vs 365 More than 11.8x better PassMark score
Much better overclocked clock speed (Water) 4.71 GHz vs 1.6 GHz Around 3x better overclocked clock speed (Water)
More threads 4 vs 1 3 more threads

Benchmarks Real world tests of K8 Athlon XP-M 3000+ vs A8 5600K

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

K8 Athlon XP-M 3000+  vs
A8 5600K 
Clock speed 1.6 GHz 3.6 GHz
Cores Single core Quad core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
3DNow!
AES
Supports dynamic frequency scaling Yes Yes

details

K8 Athlon XP-M 3000+  vs
A8 5600K 
Threads 1 4
L2 cache 0.25 MB 4 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 130 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 95°C Unknown - 74°C

overclocking

Overclock popularity 1 12
Overclocked clock speed 1.97 GHz 4.29 GHz
Overclocked clock speed (Water) 1.6 GHz 4.71 GHz
Overclocked clock speed (Air) 1.97 GHz 4.29 GHz

power consumption

TDP 62W 100W
Annual home energy cost 14.94 $/year 24.09 $/year
Annual commercial energy cost 54.31 $/year 87.6 $/year
Performance per watt 0.63 pt/W 4.86 pt/W
Typical power consumption 50.38W 81.25W
AMD K8 Athlon XP-M 3000+
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AMD A8 5600K
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