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Differences What are the advantages of each

Front view of Intel Xeon W3520

Reasons to consider the
Intel Xeon W3520

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Significantly higher turbo clock speed 2.93 GHz vs 1.7 GHz More than 70% higher turbo clock speed
Significantly higher clock speed 2.66 GHz vs 1.6 GHz More than 65% higher clock speed
Front view of Intel E5-2608LV4

Reasons to consider the
Intel E5-2608LV4

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Much newer manufacturing process 14 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly more l3 cache 20 MB vs 8 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Much lower typical power consumption 40.63W vs 105.63W 2.6x lower typical power consumption
Supports more RAM 1,572,864 MB vs 24,576 MB Supports 64x more RAM
More cores 8 vs 4 Twice as many cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 16 vs 8 Twice as many threads
Much higher Maximum operating temperature 94 °C vs 67.9 °C Around 40% higher Maximum operating temperature
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Jan, 2016 vs Mar, 2009 Release date over 6 years later
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Much lower annual home energy cost 12.04 $/year vs 31.32 $/year 2.6x lower annual home energy cost
Much lower annual commercial energy cost 43.8 $/year vs 113.88 $/year 2.6x lower annual commercial energy cost

Features Key features of the Xeon W3520  vs E5-2608LV4 

clock speed

Xeon W3520
2.66 GHz
E5-2608LV4
1.6 GHz

turbo clock speed

Xeon W3520
2.93 GHz
E5-2608LV4
1.7 GHz

L3 cache

Xeon W3520
8 MB
E5-2608LV4
20 MB

TDP

Specifications Full list of technical specs

summary

Xeon W3520  vs
E5-2608LV4 
Clock speed 2.66 GHz 1.6 GHz
Turbo clock speed 2.93 GHz 1.7 GHz
Cores Quad core Octa core

features

Has a NX bit Yes Yes
Supports trusted computing No 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 Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum memory size 24,576 MB 1,572,864 MB

details

Xeon W3520  vs
E5-2608LV4 
Architecture x86-64 x86-64
Threads 8 16
L3 cache 8 MB 20 MB
L3 cache per core 2 MB/core 2.5 MB/core
Manufacture process 45 nm 14 nm
Max CPUs 1 2
Operating temperature Unknown - 67.9°C Unknown - 94°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 130W 50W
Annual home energy cost 31.32 $/year 12.04 $/year
Annual commercial energy cost 113.88 $/year 43.8 $/year
Typical power consumption 105.63W 40.63W

bus

Architecture QPI QPI
Number of links 1 2
Data rate 19,200 MB/s 51,200 MB/s
Transfer rate 4,800 MT/s 6,400 MT/s
Clock speed 2,400 MHz 3,200 MHz
Intel Xeon W3520
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Intel E5-2608LV4
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