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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 higher clock speed 3.3 GHz vs 3 GHz Around 10% 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
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of AMD Athlon II X4 651K

Reasons to consider the
AMD Athlon II X4 651K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
More cores 4 vs 2 Twice as many cores; run more applications at once

Features Key features of the Core i3 3220  vs Athlon II X4 651K 

clock speed

L2 cache

overclocked clock speed (air)

Core i3 3220
3.43 GHz

overclocked clock speed (water)

Core i3 3220
3.48 GHz

Specifications Full list of technical specs

summary

Core i3 3220  vs
Athlon II X4 651K 
Clock speed 3.3 GHz 3 GHz
Cores Dual core Quad core
Socket type
LGA 1155
FM1
Is unlocked No Yes

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 55W 100W
Annual home energy cost 13.25 $/year 24.09 $/year
Annual commercial energy cost 48.18 $/year 87.6 $/year
Typical power consumption 44.69W 81.25W

details

Core i3 3220  vs
Athlon II X4 651K 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 4 MB
L2 cache per core 0.25 MB/core 1 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1

overclocking

Overclock popularity 50 1
Overclocked clock speed 3.43 GHz 3.43 GHz
Overclocked clock speed (Water) 3.48 GHz 3.49 GHz
Overclocked clock speed (Air) 3.43 GHz 3.43 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 2500 N/A
Number of displays supported 3 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,050 MHz N/A

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 Athlon II X4 651K
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