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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 higher Maximum operating temperature 95 °C vs 70 °C More than 35% higher Maximum operating temperature
Front view of AMD A6 5400K

Reasons to consider the
AMD A6 5400K

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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 higher clock speed 3.6 GHz vs 1.6 GHz 2.2x higher clock speed
Significantly more l2 cache 1 MB vs 0.25 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much better overclocked clock speed (Air) 4.46 GHz vs 1.97 GHz More than 2.2x better overclocked clock speed (Air)
Much better performance per watt 6.62 pt/W vs 0.63 pt/W More than 10.5x better performance per watt
Significantly better PassMark (Single core) score 1,356 vs 561 Around 2.5x better PassMark (Single core) score
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much better overclocked clock speed (Water) 5.03 GHz vs 1.6 GHz Around 3.2x better overclocked clock speed (Water)
Better PassMark score 2,139 vs 365 More than 5.8x better PassMark score
More cores 2 vs 1 Twice as many cores; run more applications at once

Benchmarks Real world tests of K8 Athlon XP-M 3000+ vs A6 5400K

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

K8 Athlon XP-M 3000+  vs
A6 5400K 
Clock speed 1.6 GHz 3.6 GHz
Cores Single core Dual 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
A6 5400K 
Threads 1 2
L2 cache 0.25 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 130 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 95°C Unknown - 70°C

overclocking

Overclock popularity 1 8
Overclocked clock speed 1.97 GHz 4.46 GHz
Overclocked clock speed (Water) 1.6 GHz 5.03 GHz
Overclocked clock speed (Air) 1.97 GHz 4.46 GHz

power consumption

TDP 62W 65W
Annual home energy cost 14.94 $/year 15.66 $/year
Annual commercial energy cost 54.31 $/year 56.94 $/year
Performance per watt 0.63 pt/W 6.62 pt/W
Typical power consumption 50.38W 52.81W
AMD K8 Athlon XP-M 3000+
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AMD A6 5400K
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