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Differences What are the advantages of each

Front view of Intel Core i7 3770K

Reasons to consider the
Intel Core i7 3770K

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Much newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.5 GHz vs 2 GHz 75% higher clock speed
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
Much better overclocked clock speed (Air) 4.69 GHz vs 2 GHz More than 2.2x better overclocked clock speed (Air)
More threads 8 vs 1 7 more threads
More cores 4 vs 1 3 more cores; run more applications at once
Much better overclocked clock speed (Water) 4.8 GHz vs 2 GHz Around 2.5x better overclocked clock speed (Water)
Front view of AMD Sempron 3700+

Reasons to consider the
AMD Sempron 3700+

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Much lower typical power consumption 20.31W vs 114.97W 5.7x lower typical power consumption
Much higher Maximum operating temperature 95 °C vs 67.4 °C More than 40% higher Maximum operating temperature
Much lower annual home energy cost 6.02 $/year vs 42.19 $/year 7x lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 112.39 $/year 5.1x lower annual commercial energy cost
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core

Features Key features of the Core i7 3770K  vs Sempron 3700+ 

clock speed

L2 cache

overclocked clock speed (air)

Core i7 3770K
4.69 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Core i7 3770K  vs
Sempron 3700+ 
Clock speed 3.5 GHz 2 GHz
Cores Quad core Single core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

Core i7 3770K  vs
Sempron 3700+ 
Threads 8 1
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 67.4°C Unknown - 95°C

overclocking

Overclocked clock speed 4.69 GHz 2 GHz
Overclocked clock speed (Water) 4.8 GHz 2 GHz
Overclocked clock speed (Air) 4.69 GHz 2 GHz

power consumption

TDP 77W 25W
Annual home energy cost 42.19 $/year 6.02 $/year
Annual commercial energy cost 112.39 $/year 21.9 $/year
Typical power consumption 114.97W 20.31W
Intel Core i7 3770K
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AMD Sempron 3700+
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