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Differences What are the advantages of each

Front view of Intel Core i3 3220

Reasons to consider the
Intel Core i3 3220

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Much more l3 cache 3 MB vs None Compared to all cpus, 3 MB l3 cache is just OK
More threads 4 vs 2 Twice as many threads
Significantly newer manufacturing process 22 nm vs 28 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 44.69W vs 52.81W More than 15% lower typical power consumption
Lower annual home energy cost 13.25 $/year vs 15.66 $/year More than 15% lower annual home energy cost
Lower annual commercial energy cost 48.18 $/year vs 56.94 $/year More than 15% lower annual commercial energy cost
Front view of AMD PRO A A6 A6 PRO-7400B

Reasons to consider the
AMD PRO A A6 A6 PRO-7400B

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Much more l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Higher clock speed 3.5 GHz vs 3.3 GHz More than 5% higher clock speed
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Significantly higher Maximum operating temperature 70 °C vs 65.3 °C More than 5% higher Maximum operating temperature
Better overclocked clock speed (Air) 3.5 GHz vs 3.43 GHz Almost the same

Benchmarks Real world tests of Core i3 3220 vs PRO A A6 A6 PRO-7400B

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i3 3220
4.07 mHash/s
PRO A A6 A6 PRO-7400B
46.18 mHash/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 3220  vs
PRO A A6 A6 PRO-7400B 
Clock speed 3.3 GHz 3.5 GHz
Cores Dual core Dual core
Is unlocked No No

features

Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
FMA4
SSE4.2
Supplemental SSE3
AES

power consumption

TDP 55W 65W
Annual home energy cost 13.25 $/year 15.66 $/year
Annual commercial energy cost 48.18 $/year 56.94 $/year
Performance per watt 2.69 pt/W 3.59 pt/W
Typical power consumption 44.69W 52.81W

details

Core i3 3220  vs
PRO A A6 A6 PRO-7400B 
Threads 4 2
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 3 MB None
Manufacture process 22 nm 28 nm
Operating temperature Unknown - 65.3°C Unknown - 70°C

overclocking

Overclocked clock speed 3.43 GHz 3.5 GHz
Overclocked clock speed (Water) 3.46 GHz 3.5 GHz
Overclocked clock speed (Air) 3.43 GHz 3.5 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Radeon™ R5
GPU clock speed 650 MHz 756 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3
Intel Core i3 3220
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AMD PRO A A6 A6 PRO-7400B
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