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Differences What are the advantages of each

Front view of Intel Xeon E7-8837

Reasons to consider the
Intel Xeon E7-8837

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Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Supports more RAM 4,194,304 MB vs 1,572,864 MB Supports around 2.8x more RAM
Significantly lower typical power consumption 105.63W vs 130W Around 20% lower typical power consumption
More l3 cache per core 3 MB/core vs 2.5 MB/core 20% more l3 cache per core
Significantly lower annual home energy cost 31.32 $/year vs 38.54 $/year Around 20% lower annual home energy cost
Significantly lower annual commercial energy cost 113.88 $/year vs 140.16 $/year Around 20% lower annual commercial energy cost
Front view of Intel E5-2687WV4

Reasons to consider the
Intel E5-2687WV4

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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
Higher clock speed 3 GHz vs 2.66 GHz Around 15% higher clock speed
More l3 cache 30 MB vs 24 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 24 vs 8 Three times as many threads
More cores 12 vs 8 4 more cores; run more applications at once
Newer Jan, 2016 vs Apr, 2011 Release date over 4 years later
Higher Maximum operating temperature 76 °C vs 69 °C More than 10% higher Maximum operating temperature

Features Key features of the Xeon E7-8837  vs E5-2687WV4 

clock speed

Xeon E7-8837
2.66 GHz
3 GHz

turbo clock speed

Xeon E7-8837
2.8 GHz
3.5 GHz

L3 cache

Xeon E7-8837
24 MB
30 MB


Specifications Full list of technical specs


Xeon E7-8837  vs
Clock speed 2.66 GHz 3 GHz
Turbo clock speed 2.8 GHz 3.5 GHz
Cores Octa core Duodeca core


Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
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 4,194,304 MB 1,572,864 MB


Xeon E7-8837  vs
Architecture x86-64 x86-64
Threads 8 24
L3 cache 24 MB 30 MB
L3 cache per core 3 MB/core 2.5 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 8 2
Operating temperature Unknown - 69°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 130W 160W
Annual home energy cost 31.32 $/year 38.54 $/year
Annual commercial energy cost 113.88 $/year 140.16 $/year
Typical power consumption 105.63W 130W


Architecture QPI QPI
Number of links 1 2
Data rate 25,600 MB/s 76,800 MB/s
Transfer rate 6,400 MT/s 9,600 MT/s
Clock speed 3,200 MHz 4,800 MHz
Intel Xeon E7-8837
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Intel E5-2687WV4
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