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Differences What are the advantages of each

Front view of Intel Xeon E5-2670

Reasons to consider the
Intel Xeon E5-2670

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Significantly higher turbo clock speed 3.3 GHz vs 2.4 GHz Around 40% higher turbo clock speed
Higher clock speed 2.6 GHz vs 1.9 GHz More than 35% higher clock speed
Front view of Intel E5-2628LV4

Reasons to consider the
Intel E5-2628LV4

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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly more l3 cache 30 MB vs 20 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 1,572,864 MB vs 393,216 MB Supports 4x more RAM
Much lower typical power consumption 60.94W vs 93.44W Around 35% lower typical power consumption
More cores 12 vs 8 4 more cores; run more applications at once
More threads 24 vs 16 8 more threads
Newer Jan, 2016 vs Mar, 2012 Release date over 3 years later
Higher Maximum operating temperature 87 °C vs 80 °C Around 10% higher Maximum operating temperature
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

Features Key features of the Xeon E5-2670  vs E5-2628LV4 

clock speed

Xeon E5-2670
2.6 GHz
E5-2628LV4
1.9 GHz

turbo clock speed

Xeon E5-2670
3.3 GHz
E5-2628LV4
2.4 GHz

L3 cache

Xeon E5-2670
20 MB
E5-2628LV4
30 MB

TDP

Specifications Full list of technical specs

summary

Xeon E5-2670  vs
E5-2628LV4 
Clock speed 2.6 GHz 1.9 GHz
Turbo clock speed 3.3 GHz 2.4 GHz
Cores Octa core Duodeca core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
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
Maximum memory size 393,216 MB 1,572,864 MB

details

Xeon E5-2670  vs
E5-2628LV4 
Architecture x86-64 x86-64
Threads 16 24
L3 cache 20 MB 30 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 80°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

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 64,000 MB/s
Transfer rate 8,000 MT/s 8,000 MT/s
Clock speed 4,000 MHz 4,000 MHz
Intel Xeon E5-2670
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Intel E5-2628LV4
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