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Differences What are the advantages of each

Front view of Intel Xeon E3-1270 v3

Reasons to consider the
Intel Xeon E3-1270 v3

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Much higher clock speed 3.5 GHz vs 3 GHz More than 15% higher clock speed
Much more l3 cache 8 MB vs 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Significantly newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 3.89 GHz vs 3 GHz Around 30% better overclocked clock speed (Air)
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More threads 8 vs 4 Twice as many threads
Lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Newer Apr, 2013 vs Aug, 2006 Release date over 6 years later
Much better overclocked clock speed (Water) 3.5 GHz vs 3 GHz More than 15% better overclocked clock speed (Water)
Lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost
Front view of Intel Xeon 7120N

Reasons to consider the
Intel Xeon 7120N

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

Features Key features of the Xeon E3-1270 v3  vs 7120N 

clock speed

Xeon E3-1270 v3
3.5 GHz
Xeon 7120N
3 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon E3-1270 v3
3.89 GHz
Xeon 7120N
3 GHz

overclocked clock speed (water)

Xeon E3-1270 v3
3.5 GHz
Xeon 7120N
3 GHz

Specifications Full list of technical specs

summary

Xeon E3-1270 v3  vs
7120N 
Clock speed 3.5 GHz 3 GHz
Cores Quad core Dual core

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
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 95W
Annual home energy cost 19.27 $/year 22.89 $/year
Annual commercial energy cost 70.08 $/year 83.22 $/year
Typical power consumption 65W 77.19W

bus

Architecture DMI FSB
Number of links 0 1

details

Xeon E3-1270 v3  vs
7120N 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 4 MB
L2 cache per core 0.25 MB/core 2 MB/core
L3 cache 8 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 32

overclocking

Overclocked clock speed 3.89 GHz 3 GHz
Overclocked clock speed (Water) 3.5 GHz 3 GHz
Overclocked clock speed (Air) 3.89 GHz 3 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 v3
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Intel Xeon 7120N
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