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Differences What are the advantages of each

Front view of Intel Xeon E7-8850

Reasons to consider the
Intel Xeon E7-8850

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Supports more RAM 4,194,304 MB vs 65,536 MB Supports 64x more RAM
Much more l3 cache 24 MB vs 8 MB 3x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 10 vs 4 6 more cores; run more applications at once
More threads 20 vs 8 12 more threads
More l3 cache per core 2.4 MB/core vs 2 MB/core Around 20% more l3 cache per core
Front view of Intel Core i7 6820HQ

Reasons to consider the
Intel Core i7 6820HQ

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Significantly higher turbo clock speed 3.6 GHz vs 2.4 GHz More than 50% higher turbo clock speed
Higher clock speed 2.7 GHz vs 2 GHz More than 35% higher clock speed
Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 36.56W vs 105.63W 2.9x lower typical power consumption
Much better overclocked clock speed (Air) 3.54 GHz vs 2 GHz More than 75% better overclocked clock speed (Air)
Newer Jul, 2015 vs Apr, 2011 Release date over 4 years later
Much lower annual home energy cost 10.84 $/year vs 31.32 $/year 2.9x lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 113.88 $/year 2.9x lower annual commercial energy cost
Better overclocked clock speed (Water) 2.7 GHz vs 2 GHz More than 35% better overclocked clock speed (Water)

Features Key features of the Xeon E7-8850  vs Core i7 6820HQ 

clock speed

turbo clock speed

Xeon E7-8850
2.4 GHz
Core i7 6820HQ
3.6 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon E7-8850
2 GHz
Core i7 6820HQ
3.54 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E7-8850  vs
Core i7 6820HQ 
Clock speed 2 GHz 2.7 GHz
Turbo clock speed 2.4 GHz 3.6 GHz
Cores Deca core Quad 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 130W 45W
Annual home energy cost 31.32 $/year 10.84 $/year
Annual commercial energy cost 113.88 $/year 39.42 $/year
Typical power consumption 105.63W 36.56W

bus

Architecture QPI FSB
Number of links 1 1
Transfer rate 6,400 MT/s 8,000 MT/s

details

Xeon E7-8850  vs
Core i7 6820HQ 
Architecture x86-64 x86-64
Threads 20 8
L2 cache 3 MB 1 MB
L2 cache per core 0.3 MB/core 0.25 MB/core
L3 cache 24 MB 8 MB
L3 cache per core 2.4 MB/core 2 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 8 1

overclocking

Overclocked clock speed 2 GHz 3.54 GHz
Overclocked clock speed (Water) 2 GHz 2.7 GHz
Overclocked clock speed (Air) 2 GHz 3.54 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 530
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,050 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3
DDR
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 4,194,304 MB 65,536 MB
Intel Xeon E7-8850
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Intel Core i7 6820HQ
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