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Differences What are the advantages of each

Front view of Intel E7-8867V4

Reasons to consider the
Intel E7-8867V4

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more RAM 3,145,728 MB vs 16,384 MB Supports 192x more RAM
More cores 18 vs 2 16 more cores; run more applications at once
More threads 36 vs 4 32 more threads
Newer Apr, 2016 vs Feb, 2011 Release date over 5 years later
Front view of Intel Core i5 2520M

Reasons to consider the
Intel Core i5 2520M

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Much lower typical power consumption 28.44W vs 134.06W 4.7x lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly higher Maximum operating temperature 100 °C vs 80 °C 25% higher Maximum operating temperature
Much lower annual home energy cost 8.43 $/year vs 39.75 $/year 4.7x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 144.54 $/year 4.7x lower annual commercial energy cost
Better overclocked clock speed (Air) 3.05 GHz vs 2.4 GHz More than 25% better overclocked clock speed (Air)

Features Key features of the E7-8867V4  vs Core i5 2520M 

clock speed

E7-8867V4
2.4 GHz
Core i5 2520M
2.5 GHz

turbo clock speed

E7-8867V4
3.3 GHz
Core i5 2520M
3.2 GHz

overclocked clock speed (air)

E7-8867V4
2.4 GHz
Core i5 2520M
3.05 GHz

overclocked clock speed (water)

E7-8867V4
2.4 GHz
Core i5 2520M
2.5 GHz

TDP

Specifications Full list of technical specs

summary

E7-8867V4  vs
Core i5 2520M 
Clock speed 2.4 GHz 2.5 GHz
Turbo clock speed 3.3 GHz 3.2 GHz
Cores Processing Cores Dual core

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

power consumption

TDP 165W 35W
Annual home energy cost 39.75 $/year 8.43 $/year
Annual commercial energy cost 144.54 $/year 30.66 $/year
Typical power consumption 134.06W 28.44W

bus

Architecture FSB DMI
Number of links 3 1
Transfer rate 9,600 MT/s 5,000 MT/s

details

E7-8867V4  vs
Core i5 2520M 
Architecture x86-64 x86-64
Threads 36 4
Manufacture process 14 nm 32 nm
Max CPUs 8 1
Operating temperature Unknown - 80°C Unknown - 100°C

overclocking

Overclocked clock speed 2.4 GHz 3.05 GHz
Overclocked clock speed (Water) 2.4 GHz 2.5 GHz
Overclocked clock speed (Air) 2.4 GHz 3.05 GHz

integrated graphics

GPU None GPU
Label N/A HD Graphics 3000
Number of displays supported N/A 2
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,300 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 51,200 MB/s 21,333.32 MB/s
Maximum memory size 3,145,728 MB 16,384 MB
Intel E7-8867V4
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Intel Core i5 2520M
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