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Differences What are the advantages of each

Front view of Intel Xeon E5 2650 v2

Reasons to consider the
Intel Xeon E5 2650 v2

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Significantly higher clock speed 2.6 GHz vs 1.7 GHz Around 55% higher clock speed
Significantly higher turbo clock speed 3.4 GHz vs 2.5 GHz More than 35% higher turbo clock speed
Higher Maximum operating temperature 75 °C vs 64 °C More than 15% higher Maximum operating temperature
Front view of Intel E5-2650LV4

Reasons to consider the
Intel E5-2650LV4

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Much more l3 cache 35 MB vs 20 MB 75% 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
More cores 14 vs 8 6 more cores; run more applications at once
More threads 28 vs 16 12 more threads
Significantly lower typical power consumption 52.81W vs 77.19W More than 30% lower typical power consumption
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
Significantly lower annual home energy cost 15.66 $/year vs 22.89 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 56.94 $/year vs 83.22 $/year More than 30% lower annual commercial energy cost

Features Key features of the Xeon E5 2650 v2  vs E5-2650LV4 

clock speed

Xeon E5 2650 v2
2.6 GHz
E5-2650LV4
1.7 GHz

turbo clock speed

Xeon E5 2650 v2
3.4 GHz
E5-2650LV4
2.5 GHz

L3 cache

Specifications Full list of technical specs

summary

Xeon E5 2650 v2  vs
E5-2650LV4 
Clock speed 2.6 GHz 1.7 GHz
Turbo clock speed 3.4 GHz 2.5 GHz
Cores Octa 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
Maximum memory size 786,432 MB 1,572,864 MB

details

Xeon E5 2650 v2  vs
E5-2650LV4 
Architecture x86-64 x86-64
Threads 16 28
L3 cache 20 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 - 75°C Unknown - 64°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 95W 65W
Annual home energy cost 22.89 $/year 15.66 $/year
Annual commercial energy cost 83.22 $/year 56.94 $/year
Typical power consumption 77.19W 52.81W

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
Intel Xeon E5 2650 v2
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Intel E5-2650LV4
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