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Differences What are the advantages of each

Front view of Intel Core i5 650

Reasons to consider the
Intel Core i5 650

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Much more l3 cache 4 MB vs None Compared to all cpus, 4 MB l3 cache is just OK
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Air) 4.31 GHz vs 4 GHz Around 10% better overclocked clock speed (Air)
Higher Maximum operating temperature 72.6 °C vs 70 °C Around 5% higher Maximum operating temperature
Much better overclocked clock speed (Water) 5.08 GHz vs 4 GHz More than 25% better overclocked clock speed (Water)
Front view of AMD A6 6420B

Reasons to consider the
AMD A6 6420B

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Much higher clock speed 4 GHz vs 3.2 GHz Around 25% higher clock speed
Much lower typical power consumption 52.81W vs 100.22W More than 45% lower typical power consumption
Much lower annual home energy cost 15.66 $/year vs 37.54 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 96.89 $/year More than 40% lower annual commercial energy cost

Benchmarks Real world tests of Core i5 650 vs A6 6420B

PassMark Data courtesy Passmark

Core i5 650
3,116
A6 6420B
2,612

PassMark (Single Core)

Core i5 650
1,319
A6 6420B
1,580

Specifications Full list of technical specs

summary

Core i5 650  vs
A6 6420B 
Clock speed 3.2 GHz 4 GHz
Turbo clock speed 3.46 GHz 4.2 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 73W 65W
Annual home energy cost 37.54 $/year 15.66 $/year
Annual commercial energy cost 96.89 $/year 56.94 $/year
Performance per watt 4.67 pt/W 2.18 pt/W
Typical power consumption 100.22W 52.81W

details

Core i5 650  vs
A6 6420B 
Threads 4 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 4 MB None
Manufacture process 32 nm 32 nm
Operating temperature Unknown - 72.6°C Unknown - 70°C

overclocking

Overclocked clock speed 4.31 GHz 4 GHz
Overclocked clock speed (Water) 5.08 GHz 4 GHz
Overclocked clock speed (Air) 4.31 GHz 4 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Radeon™ HD 8470D
GPU clock speed 733 MHz 800 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333
DDR3-1066
DDR3
Intel Core i5 650
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AMD A6 6420B
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