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Differences What are the advantages of each

Front view of Intel Pentium 997

Reasons to consider the
Intel Pentium 997

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of Intel Atom S1240

Reasons to consider the
Intel Atom S1240

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Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Lower typical power consumption 4.96W vs 13.81W 2.8x lower typical power consumption
More threads 4 vs 2 Twice as many threads
Lower annual home energy cost 1.47 $/year vs 4.1 $/year 2.8x lower annual home energy cost
Lower annual commercial energy cost 5.34 $/year vs 14.89 $/year 2.8x lower annual commercial energy cost
Newer Dec, 2012 vs Sep, 2012 Release date 2 months later

Features Key features of the Pentium 997  vs Atom S1240 

clock speed

Pentium 997
1.6 GHz
Atom S1240
1.6 GHz

L2 cache

overclocked clock speed (air)

Pentium 997
1.6 GHz
Atom S1240
1.6 GHz

overclocked clock speed (water)

Pentium 997
1.6 GHz
Atom S1240
1.6 GHz

TDP

Specifications Full list of technical specs

summary

Pentium 997  vs
Atom S1240 
Clock speed 1.6 GHz 1.6 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 6.1W
Annual home energy cost 4.1 $/year 1.47 $/year
Annual commercial energy cost 14.89 $/year 5.34 $/year
Typical power consumption 13.81W 4.96W

bus

Architecture DMI FSB
Number of links 1 1

details

Pentium 997  vs
Atom S1240 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1

overclocking

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

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,000 MHz N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Single Channel
Supports ECC No Yes
Maximum bandwidth 21,333.32 MB/s 10,666.66 MB/s
Maximum memory size 16,384 MB 8,192 MB
Intel Pentium 997
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Intel Atom S1240
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