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Differences What are the advantages of each

Front view of Intel Core i7 3770

Reasons to consider the
Intel Core i7 3770

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Much higher clock speed 3.4 GHz vs 1.6 GHz More than 2x higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly 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) 4.03 GHz vs 1.6 GHz More than 2.5x better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Much better overclocked clock speed (Water) 4.32 GHz vs 1.6 GHz Around 2.8x better overclocked clock speed (Water)
Front view of Intel Atom S1240

Reasons to consider the
Intel Atom S1240

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Much lower typical power consumption 4.96W vs 62.56W 12.6x lower typical power consumption
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 1.47 $/year vs 18.55 $/year 12.6x lower annual home energy cost
Much lower annual commercial energy cost 5.34 $/year vs 67.45 $/year 12.6x lower annual commercial energy cost
Newer Dec, 2012 vs Apr, 2012 Release date 7 months later

Features Key features of the Core i7 3770  vs Atom S1240 

clock speed

Core i7 3770
3.4 GHz
Atom S1240
1.6 GHz

L2 cache

overclocked clock speed (air)

Core i7 3770
4.03 GHz
Atom S1240
1.6 GHz

overclocked clock speed (water)

Core i7 3770
4.32 GHz
Atom S1240
1.6 GHz

TDP

Specifications Full list of technical specs

summary

Core i7 3770  vs
Atom S1240 
Clock speed 3.4 GHz 1.6 GHz
Cores Quad core Dual core

features

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

power consumption

TDP 77W 6.1W
Annual home energy cost 18.55 $/year 1.47 $/year
Annual commercial energy cost 67.45 $/year 5.34 $/year
Typical power consumption 62.56W 4.96W

bus

Architecture DMI FSB
Number of links 1 1

details

Core i7 3770  vs
Atom S1240 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.03 GHz 1.6 GHz
Overclocked clock speed (Water) 4.32 GHz 1.6 GHz
Overclocked clock speed (Air) 4.03 GHz 1.6 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 4000 N/A
Latest DirectX 11.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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Dual Channel Single Channel
Supports ECC No Yes
Maximum bandwidth 25,600 MB/s 10,666.66 MB/s
Maximum memory size 32,768 MB 8,192 MB
Intel Core i7 3770
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Intel Atom S1240
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