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Differences What are the advantages of each

Front view of Intel Xeon E7-2870

Reasons to consider the
Intel Xeon E7-2870

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Significantly lower typical power consumption 105.63W vs 134.06W More than 20% lower typical power consumption
Significantly lower annual home energy cost 31.32 $/year vs 39.75 $/year More than 20% lower annual home energy cost
Significantly lower annual commercial energy cost 113.88 $/year vs 144.54 $/year More than 20% lower annual commercial energy cost
Front view of Intel E7-8891V4

Reasons to consider the
Intel E7-8891V4

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Supports more CPUs in SMP configuration 8 vs 2 6 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
Higher turbo clock speed 3.5 GHz vs 2.8 GHz More than 25% higher turbo clock speed
Supports more RAM 3,145,728 MB vs 1,048,576 MB Supports 3x more RAM
Higher clock speed 2.8 GHz vs 2.4 GHz More than 15% higher clock speed
Newer Apr, 2016 vs Apr, 2011 Release date over 5 years later
Higher Maximum operating temperature 79 °C vs 69 °C Around 15% higher Maximum operating temperature
Better overclocked clock speed (Air) 2.8 GHz vs 2.4 GHz More than 15% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.8 GHz vs 2.4 GHz More than 15% better overclocked clock speed (Water)

Features Key features of the Xeon E7-2870  vs E7-8891V4 

clock speed

Xeon E7-2870
2.4 GHz
E7-8891V4
2.8 GHz

turbo clock speed

Xeon E7-2870
2.8 GHz
E7-8891V4
3.5 GHz

overclocked clock speed (air)

Xeon E7-2870
2.4 GHz
E7-8891V4
2.8 GHz

overclocked clock speed (water)

Xeon E7-2870
2.4 GHz
E7-8891V4
2.8 GHz

TDP

Specifications Full list of technical specs

summary

Xeon E7-2870  vs
E7-8891V4 
Clock speed 2.4 GHz 2.8 GHz
Turbo clock speed 2.8 GHz 3.5 GHz
Cores Deca core Deca core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 165W
Annual home energy cost 31.32 $/year 39.75 $/year
Annual commercial energy cost 113.88 $/year 144.54 $/year
Typical power consumption 105.63W 134.06W

bus

Architecture QPI FSB
Number of links 1 3
Transfer rate 6,400 MT/s 9,600 MT/s

details

Xeon E7-2870  vs
E7-8891V4 
Architecture x86-64 x86-64
Threads 20 20
Manufacture process 32 nm 14 nm
Max CPUs 2 8
Operating temperature Unknown - 69°C Unknown - 79°C

overclocking

Overclocked clock speed 2.4 GHz 2.8 GHz
Overclocked clock speed (Water) 2.4 GHz 2.8 GHz
Overclocked clock speed (Air) 2.4 GHz 2.8 GHz

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 51,200 MB/s
Maximum memory size 1,048,576 MB 3,145,728 MB
Intel Xeon E7-2870
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Intel E7-8891V4
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