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Differences What are the advantages of each

Front view of AMD Opteron 846

Reasons to consider the
AMD Opteron 846

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Front view of AMD A8 4500M

Reasons to consider the
AMD A8 4500M

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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 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 28.44W vs 72.31W 2.5x lower typical power consumption
Newer May, 2012 vs Sep, 2003 Release date over 8 years later
Much higher Maximum operating temperature 100 °C vs 71 °C More than 40% higher Maximum operating temperature
More cores 4 vs 1 3 more cores; run more applications at once
More threads 4 vs 1 3 more threads
Much lower annual home energy cost 8.43 $/year vs 21.44 $/year 2.5x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 77.96 $/year 2.5x lower annual commercial energy cost
Better overclocked clock speed (Air) 2.34 GHz vs 2 GHz More than 15% better overclocked clock speed (Air)

Features Key features of the Opteron 846  vs A8 4500M 

clock speed

Opteron 846
2 GHz
A8 4500M
1.9 GHz

L2 cache

A8 4500M
4 MB

overclocked clock speed (air)

Opteron 846
2 GHz
A8 4500M
2.34 GHz

overclocked clock speed (water)

Opteron 846
2 GHz
A8 4500M
1.9 GHz

TDP

Specifications Full list of technical specs

summary

Opteron 846  vs
A8 4500M 
Clock speed 2 GHz 1.9 GHz
Cores Single core Quad core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Opteron 846  vs
A8 4500M 
Threads 1 4
L2 cache 1 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
Manufacture process 130 nm 32 nm
Max CPUs 8 1
Clock multiplier 10 19
Voltage range 1.5 - UnknownV 0.81 - 1.3V
Operating temperature 0 - 71°C Unknown - 100°C

overclocking

Overclocked clock speed 2 GHz 2.34 GHz
Overclocked clock speed (Water) 2 GHz 1.9 GHz
Overclocked clock speed (Air) 2 GHz 2.34 GHz

power consumption

TDP 89W 35W
Annual home energy cost 21.44 $/year 8.43 $/year
Annual commercial energy cost 77.96 $/year 30.66 $/year
Typical power consumption 72.31W 28.44W
AMD Opteron 846
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AMD A8 4500M
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