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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 0.5 MB 6x 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
Much more l3 cache 24 MB vs 4 MB 6x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 4,194,304 MB vs 16,384 MB Supports 256x more RAM
More cores 10 vs 2 8 more cores; run more applications at once
Higher clock speed 2 GHz vs 1.7 GHz Around 20% higher clock speed
More threads 20 vs 4 16 more threads
More l3 cache per core 2.4 MB/core vs 2 MB/core Around 20% more l3 cache per core
Better overclocked clock speed (Water) 2 GHz vs 1.7 GHz Around 20% better overclocked clock speed (Water)
Front view of Intel Core i7 4650U

Reasons to consider the
Intel Core i7 4650U

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Significantly higher turbo clock speed 3.3 GHz vs 2.4 GHz Around 40% higher turbo clock speed
Much lower typical power consumption 12.19W vs 105.63W 8.7x lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better overclocked clock speed (Air) 3.12 GHz vs 2 GHz More than 55% better overclocked clock speed (Air)
Much lower annual home energy cost 3.61 $/year vs 31.32 $/year 8.7x lower annual home energy cost
Much lower annual commercial energy cost 13.14 $/year vs 113.88 $/year 8.7x lower annual commercial energy cost
Newer Jul, 2013 vs Apr, 2011 Release date over 2 years later
Slightly higher Maximum operating temperature 72.6 °C vs 69 °C More than 5% higher Maximum operating temperature

Features Key features of the Xeon E7-8850  vs Core i7 4650U 

clock speed

Xeon E7-8850
2 GHz
Core i7 4650U
1.7 GHz

turbo clock speed

Xeon E7-8850
2.4 GHz
Core i7 4650U
3.3 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon E7-8850
2 GHz
Core i7 4650U
3.12 GHz

overclocked clock speed (water)

Xeon E7-8850
2 GHz
Core i7 4650U
1.7 GHz

Specifications Full list of technical specs

summary

Xeon E7-8850  vs
Core i7 4650U 
Clock speed 2 GHz 1.7 GHz
Turbo clock speed 2.4 GHz 3.3 GHz
Cores Deca core 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 130W 15W
Annual home energy cost 31.32 $/year 3.61 $/year
Annual commercial energy cost 113.88 $/year 13.14 $/year
Typical power consumption 105.63W 12.19W

bus

Architecture QPI DMI 2.0
Number of links 1 1
Data rate 25,600 MB/s 400 MB/s
Transfer rate 6,400 MT/s 5,000 MT/s
Clock speed 3,200 MHz 66 MHz

details

Xeon E7-8850  vs
Core i7 4650U 
Architecture x86-64 x86-64
Threads 20 4
L2 cache 3 MB 0.5 MB
L2 cache per core 0.3 MB/core 0.25 MB/core
L3 cache 24 MB 4 MB
L3 cache per core 2.4 MB/core 2 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 8 1
Clock multiplier 15 24
Operating temperature Unknown - 69°C Unknown - 72.6°C

overclocking

Overclocked clock speed 2 GHz 3.12 GHz
Overclocked clock speed (Water) 2 GHz 1.7 GHz
Overclocked clock speed (Air) 2 GHz 3.12 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 5000
Number of displays supported N/A 3
GPU clock speed N/A 200 MHz
Turbo clock speed N/A 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR2-1066
DDR3
DDR3-800
DDR2-800
DDR2-667
DDR2
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 16,384 MB
Intel Xeon E7-8850
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Intel Core i7 4650U
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