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Differences What are the advantages of each

Front view of Intel Xeon E7-4809 v2

Reasons to consider the
Intel Xeon E7-4809 v2

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Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More l2 cache 1.5 MB vs 1 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more RAM 1,572,864 MB vs 32,768 MB Supports 48x more RAM
More l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
More threads 12 vs 8 4 more threads
Front view of Intel Core i7 4790

Reasons to consider the
Intel Core i7 4790

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Much higher clock speed 3.6 GHz vs 1.9 GHz Around 90% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Lower typical power consumption 68.25W vs 85.31W 20% lower typical power consumption
Higher Maximum operating temperature 72.72 °C vs 68 °C More than 5% higher Maximum operating temperature
Lower annual home energy cost 20.24 $/year vs 25.29 $/year Around 20% lower annual home energy cost
Lower annual commercial energy cost 73.58 $/year vs 91.98 $/year 20% lower annual commercial energy cost
Newer May, 2014 vs Feb, 2014 Release date 2 months later

Features Key features of the Xeon E7-4809 v2  vs Core i7 4790 

clock speed

Xeon E7-4809 v2
1.9 GHz
Core i7 4790
3.6 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-4809 v2  vs
Core i7 4790 
Clock speed 1.9 GHz 3.6 GHz
Cores Hexa core Quad core
Socket type
LGA 2011
LGA 1150
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
AES
AVX 2.0
Supports dynamic frequency scaling No Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 34,133.32 MB/s 25,600 MB/s
Maximum memory size 1,572,864 MB 32,768 MB

details

Xeon E7-4809 v2  vs
Core i7 4790 
Architecture x86-64 x86-64
Threads 12 8
L2 cache 1.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 4 1
Clock multiplier 19 36
Operating temperature Unknown - 68°C Unknown - 72.72°C

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,200 MHz

power consumption

TDP 105W 84W
Annual home energy cost 25.29 $/year 20.24 $/year
Annual commercial energy cost 91.98 $/year 73.58 $/year
Typical power consumption 85.31W 68.25W

bus

Architecture QPI DMI 2.0
Number of links 3 0
Transfer rate 6,400 MT/s 5,000 MT/s
Intel Xeon E7-4809 v2
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Intel Core i7 4790
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