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Differences What are the advantages of each

Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Significantly higher clock speed 3.2 GHz vs 2.8 GHz Around 15% higher clock speed
Much newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 3.67 GHz vs 2.87 GHz Around 30% better overclocked clock speed (Air)
Much more l3 cache per core 1.5 MB/core vs 0.25 MB/core 6x more l3 cache per core
Much better overclocked clock speed (Water) 4.09 GHz vs 2.5 GHz Around 65% better overclocked clock speed (Water)
Front view of AMD A8 3820

Reasons to consider the
AMD A8 3820

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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 more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much lower typical power consumption 52.81W vs 86.05W Around 40% lower typical power consumption
Significantly higher Maximum operating temperature 70.5 °C vs 67.4 °C Around 5% higher Maximum operating temperature
Much lower annual home energy cost 15.66 $/year vs 31.22 $/year Around 50% lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 84.62 $/year Around 35% lower annual commercial energy cost

Benchmarks Real world tests of Core i5 3470 vs A8 3820

PCMark 8 Home 3.0 Accelerated Data courtesy FutureMark

Core i5 3470
2,580
A8 3820
2,285

Sky Diver Data courtesy FutureMark

Core i5 3470
1,055
A8 3820
2,380

Cloud Gate Data courtesy FutureMark

Core i5 3470
3,118
A8 3820
4,204

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 3470
9,436
A8 3820
4,151

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 3470
2,983
A8 3820
1,426

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 3470
2,470,000 MB/s
A8 3820
116.05 MB/s

PassMark Data courtesy Passmark

Core i5 3470
6,607
A8 3820
3,152

PassMark (Single Core)

Core i5 3470
1,906
A8 3820
874

Specifications Full list of technical specs

summary

Core i5 3470  vs
A8 3820 
Clock speed 3.2 GHz 2.8 GHz
Turbo clock speed 3.6 GHz 2.8 GHz
Cores Quad 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
AVX
SSE3
SSE
AMD64
SSE4.1
SSE4.2
AMD-V
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 77W 65W
Annual home energy cost 31.22 $/year 15.66 $/year
Annual commercial energy cost 84.62 $/year 56.94 $/year
Performance per watt 4.41 pt/W 1.91 pt/W
Typical power consumption 86.05W 52.81W

details

Core i5 3470  vs
A8 3820 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 6 MB 1 MB
L3 cache per core 1.5 MB/core 0.25 MB/core
Manufacture process 22 nm 32 nm
Transistor count 1,400,000,000 1,178,000,000
Max CPUs 1 1
Voltage range Unknown - 1.13V 0.45 - 1.41V
Operating temperature Unknown - 67.4°C Unknown - 70.5°C

overclocking

Overclocked clock speed 3.67 GHz 2.87 GHz
Overclocked clock speed (Water) 4.09 GHz 2.5 GHz
Overclocked clock speed (Air) 3.67 GHz 2.87 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 2500 Radeon™ HD 6550D
Latest DirectX 11.0 11.0
GPU clock speed 650 MHz 600 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3
Intel Core i5 3470
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AMD A8 3820
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