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Differences What are the advantages of each

Front view of Intel Xeon E3-1270

Reasons to consider the
Intel Xeon E3-1270

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More cores 4 vs 2 Twice as many cores; run more applications at once
Much lower typical power consumption 65W vs 121.88W More than 45% lower typical power consumption
Significantly newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More threads 8 vs 4 Twice as many threads
Better overclocked clock speed (Air) 3.52 GHz vs 3.4 GHz Around 5% better overclocked clock speed (Air)
Much lower annual commercial energy cost 70.08 $/year vs 131.4 $/year More than 45% lower annual commercial energy cost
Much lower annual home energy cost 19.27 $/year vs 36.13 $/year More than 45% lower annual home energy cost
Much better overclocked clock speed (Water) 3.8 GHz vs 3.4 GHz More than 10% better overclocked clock speed (Water)
Newer Apr, 2011 vs Aug, 2006 Release date over 4 years later
Front view of Intel Xeon 7140M

Reasons to consider the
Intel Xeon 7140M

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Much more l2 cache 16 MB vs 1 MB 16x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 8 MB/core vs 0.25 MB/core 32x more l2 cache per core
Much more l3 cache 16 MB vs 8 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 32 vs 1 31 supports more CPUs in SMP configuration
Much more l3 cache per core 8 MB/core vs 2 MB/core 4x more l3 cache per core

Features Key features of the Xeon E3-1270  vs 7140M 

clock speed

Xeon E3-1270
3.4 GHz
Xeon 7140M
3.4 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon E3-1270
3.52 GHz
Xeon 7140M
3.4 GHz

overclocked clock speed (water)

Xeon E3-1270
3.8 GHz
Xeon 7140M
3.4 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E3-1270  vs
7140M 
Clock speed 3.4 GHz 3.4 GHz
Cores Quad core Dual core
Socket type
LGA 1155
604

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 80W 150W
Annual home energy cost 19.27 $/year 36.13 $/year
Annual commercial energy cost 70.08 $/year 131.4 $/year
Typical power consumption 65W 121.88W

bus

Architecture DMI FSB
Number of links 1 1

details

Xeon E3-1270  vs
7140M 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 16 MB
L2 cache per core 0.25 MB/core 8 MB/core
L3 cache 8 MB 16 MB
L3 cache per core 2 MB/core 8 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 32
Clock multiplier 34 17
Operating temperature Unknown - 69.1°C Unknown - 69°C

overclocking

Overclocked clock speed 3.52 GHz 3.4 GHz
Overclocked clock speed (Water) 3.8 GHz 3.4 GHz
Overclocked clock speed (Air) 3.52 GHz 3.4 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
Intel Xeon E3-1270
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Intel Xeon 7140M
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