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Differences What are the advantages of each

Front view of Intel Core i5 3570K

Reasons to consider the
Intel Core i5 3570K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 3.4 GHz vs 2.8 GHz More than 20% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 4.59 GHz vs 3.17 GHz More than 45% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Much better performance per watt 4.69 pt/W vs 1.07 pt/W Around 4.5x better performance per watt
Much better overclocked clock speed (Water) 4.71 GHz vs 2.8 GHz Around 70% better overclocked clock speed (Water)
Front view of AMD Athlon II X2 B22

Reasons to consider the
AMD Athlon II X2 B22

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Much more l2 cache 2 MB vs 1 MB 2x 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 107.5W 2x lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much higher Maximum operating temperature 74 °C vs 67.4 °C Around 10% higher Maximum operating temperature
Much lower annual home energy cost 15.66 $/year vs 38.81 $/year 2.5x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 106 $/year More than 45% lower annual commercial energy cost

Benchmarks Real world tests of Core i5 3570K vs Athlon II X2 B22

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 3570K
2,650,000 MB/s
Athlon II X2 B22
110.8 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i5 3570K  vs
Athlon II X2 B22 
Clock speed 3.4 GHz 2.8 GHz
Cores Quad core Dual core
Socket type
LGA 1155
AM3
Is unlocked Yes No

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 77W 65W
Annual home energy cost 38.81 $/year 15.66 $/year
Annual commercial energy cost 106 $/year 56.94 $/year
Performance per watt 4.69 pt/W 1.07 pt/W
Typical power consumption 107.5W 52.81W

details

Core i5 3570K  vs
Athlon II X2 B22 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 2 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 0.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 67.4°C Unknown - 74°C

overclocking

Overclocked clock speed 4.59 GHz 3.17 GHz
Overclocked clock speed (Water) 4.71 GHz 2.8 GHz
Overclocked clock speed (Air) 4.59 GHz 3.17 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4000 N/A
Latest DirectX 10.x N/A
Number of displays supported 3 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,150 MHz N/A
3DMark06 5,339.9 N/A
Intel Core i5 3570K
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AMD Athlon II X2 B22
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