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Differences What are the advantages of each

Front view of Intel E5-2687WV4

Reasons to consider the
Intel E5-2687WV4

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Higher clock speed 3 GHz vs 2.4 GHz More than 25% higher clock speed
More l3 cache 30 MB vs 25 MB 20% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 12 vs 10 2 more cores; run more applications at once
More threads 24 vs 20 4 more threads
Front view of Intel E5-2640V4

Reasons to consider the
Intel E5-2640V4

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Much lower typical power consumption 73.13W vs 130W Around 45% lower typical power consumption
Much lower annual home energy cost 21.68 $/year vs 38.54 $/year Around 45% lower annual home energy cost
Much lower annual commercial energy cost 78.84 $/year vs 140.16 $/year Around 45% lower annual commercial energy cost

Features Key features of the E5-2687WV4  vs E5-2640V4 

clock speed

E5-2687WV4
3 GHz
E5-2640V4
2.4 GHz

turbo clock speed

E5-2687WV4
3.5 GHz
E5-2640V4
3.4 GHz

L3 cache

E5-2687WV4
30 MB
E5-2640V4
25 MB

TDP

Specifications Full list of technical specs

summary

E5-2687WV4  vs
E5-2640V4 
Clock speed 3 GHz 2.4 GHz
Turbo clock speed 3.5 GHz 3.4 GHz
Cores Duodeca core Deca core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
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 1,572,864 MB 1,572,864 MB

details

E5-2687WV4  vs
E5-2640V4 
Architecture x86-64 x86-64
Threads 24 20
L3 cache 30 MB 25 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 14 nm 14 nm
Max CPUs 2 2
Operating temperature Unknown - 76°C Unknown - 76°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 160W 90W
Annual home energy cost 38.54 $/year 21.68 $/year
Annual commercial energy cost 140.16 $/year 78.84 $/year
Typical power consumption 130W 73.13W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 76,800 MB/s 64,000 MB/s
Transfer rate 9,600 MT/s 8,000 MT/s
Clock speed 4,800 MHz 4,000 MHz
Intel E5-2687WV4
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Intel E5-2640V4
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