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Differences What are the advantages of each

Front view of AMD Opteron 6220

Reasons to consider the
AMD Opteron 6220

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Much more l2 cache 8 MB vs 4 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher clock speed 3 GHz vs 1.5 GHz 2x higher clock speed
Significantly higher turbo clock speed 3.6 GHz vs 2.4 GHz More than 50% higher turbo clock speed
Much more l3 cache 16 MB vs 1 MB 16x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
Much more l3 cache per core 2 MB/core vs 0.25 MB/core 8x more l3 cache per core
More cores 8 vs 4 Twice as many cores; run more applications at once
Much better overclocked clock speed (Air) 3.96 GHz vs 2.62 GHz More than 50% better overclocked clock speed (Air)
More threads 8 vs 4 Twice as many threads
Much better overclocked clock speed (Water) 3 GHz vs 1.5 GHz 2x better overclocked clock speed (Water)
Front view of AMD A6 3420M

Reasons to consider the
AMD A6 3420M

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 28.44W vs 93.44W 3.3x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 71.7 °C Around 40% higher Maximum operating temperature
Much lower annual home energy cost 8.43 $/year vs 27.7 $/year 3.3x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 100.74 $/year 3.3x lower annual commercial energy cost

Features Key features of the Opteron 6220  vs A6 3420M 

clock speed

Opteron 6220
3 GHz
A6 3420M
1.5 GHz

turbo clock speed

Opteron 6220
3.6 GHz
A6 3420M
2.4 GHz

L2 cache

L3 cache

Opteron 6220
16 MB
A6 3420M
1 MB

overclocked clock speed (air)

Opteron 6220
3.96 GHz
A6 3420M
2.62 GHz

overclocked clock speed (water)

Opteron 6220
3 GHz
A6 3420M
1.5 GHz

Specifications Full list of technical specs

summary

Opteron 6220  vs
A6 3420M 
Clock speed 3 GHz 1.5 GHz
Turbo clock speed 3.6 GHz 2.4 GHz
Cores Octa core Quad core
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
AMD64
AMD-V
Supplemental SSE3
AES

power consumption

TDP 115W 35W
Annual home energy cost 27.7 $/year 8.43 $/year
Annual commercial energy cost 100.74 $/year 30.66 $/year
Typical power consumption 93.44W 28.44W

details

Opteron 6220  vs
A6 3420M 
Threads 8 4
L2 cache 8 MB 4 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 16 MB 1 MB
L3 cache per core 2 MB/core 0.25 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 4 1
Clock multiplier 18 12
Operating temperature Unknown - 71.7°C Unknown - 100°C

overclocking

Overclocked clock speed 3.96 GHz 2.62 GHz
Overclocked clock speed (Water) 3 GHz 1.5 GHz
Overclocked clock speed (Air) 3.96 GHz 2.62 GHz

integrated graphics

GPU None GPU
Label N/A Radeon™ HD 6520G
Latest DirectX N/A 11.0
GPU clock speed N/A 400 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3
AMD Opteron 6220
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AMD A6 3420M
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