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Differences What are the advantages of each

Front view of Intel Xeon E5 2670 v2

Reasons to consider the
Intel Xeon E5 2670 v2

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Higher clock speed 2.5 GHz vs 1.8 GHz Around 40% higher clock speed
Higher turbo clock speed 3.3 GHz vs 2.5 GHz More than 30% higher turbo clock speed
Front view of Intel E5-2648LV4

Reasons to consider the
Intel E5-2648LV4

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Significantly more l3 cache 35 MB vs 25 MB 40% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 60.94W vs 93.44W Around 35% lower typical power consumption
More cores 14 vs 10 4 more cores; run more applications at once
More threads 28 vs 20 8 more threads
Newer Jan, 2016 vs Jul, 2013 Release date over 2 years later
Much lower annual home energy cost 18.07 $/year vs 27.7 $/year Around 35% lower annual home energy cost
Much lower annual commercial energy cost 65.7 $/year vs 100.74 $/year Around 35% lower annual commercial energy cost
Higher Maximum operating temperature 87 °C vs 82 °C More than 5% higher Maximum operating temperature

Features Key features of the Xeon E5 2670 v2  vs E5-2648LV4 

clock speed

Xeon E5 2670 v2
2.5 GHz
E5-2648LV4
1.8 GHz

turbo clock speed

Xeon E5 2670 v2
3.3 GHz
E5-2648LV4
2.5 GHz

L3 cache

Specifications Full list of technical specs

summary

Xeon E5 2670 v2  vs
E5-2648LV4 
Clock speed 2.5 GHz 1.8 GHz
Turbo clock speed 3.3 GHz 2.5 GHz
Cores Deca core Processing Cores

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Channels Quad Channel Quad Channel
Supports ECC Yes Yes

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 76,800 MB/s
Transfer rate 8,000 MT/s 9,600 MT/s
Clock speed 4,000 MHz 4,800 MHz

details

Xeon E5 2670 v2  vs
E5-2648LV4 
Architecture x86-64 x86-64
Threads 20 28
L3 cache 25 MB 35 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 82°C Unknown - 87°C

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

power consumption

TDP 115W 75W
Annual home energy cost 27.7 $/year 18.07 $/year
Annual commercial energy cost 100.74 $/year 65.7 $/year
Typical power consumption 93.44W 60.94W
Intel Xeon E5 2670 v2
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Intel E5-2648LV4
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