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Differences What are the advantages of each

Front view of Intel Xeon E7-4870 v2

Reasons to consider the
Intel Xeon E7-4870 v2

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Much more l2 cache 3.5 MB vs 1 MB 3.5x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 30 MB vs 8 MB 3.8x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 15 vs 4 11 more cores; run more applications at once
More threads 30 vs 8 22 more threads
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Supports more RAM 1,572,864 MB vs 32,768 MB Supports 48x more RAM
Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Much higher clock speed 4 GHz vs 2.3 GHz Around 75% higher clock speed
Much higher turbo clock speed 4.4 GHz vs 2.9 GHz More than 50% higher turbo clock speed
Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Lower typical power consumption 71.5W vs 105.63W More than 30% lower typical power consumption
Lower annual commercial energy cost 77.09 $/year vs 113.88 $/year More than 30% lower annual commercial energy cost
Lower annual home energy cost 21.2 $/year vs 31.32 $/year More than 30% lower annual home energy cost
Newer Apr, 2014 vs Feb, 2014 Release date 1 months later

Features Key features of the Xeon E7-4870 v2  vs Core i7 4790K 

clock speed

turbo clock speed

Xeon E7-4870 v2
2.9 GHz
Core i7 4790K
4.4 GHz

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-4870 v2  vs
Core i7 4790K 
Clock speed 2.3 GHz 4 GHz
Turbo clock speed 2.9 GHz 4.4 GHz
Cores Pentadeca core Quad core
Is unlocked No Yes

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 51,200 MB/s 25,600 MB/s
Maximum memory size 1,572,864 MB 32,768 MB

details

Xeon E7-4870 v2  vs
Core i7 4790K 
Architecture x86-64 x86-64
Threads 30 8
L2 cache 3.5 MB 1 MB
L2 cache per core 0.23 MB/core 0.25 MB/core
L3 cache 30 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 4 1
Operating temperature Unknown - 73°C Unknown - 74.04°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 1,250 MHz

power consumption

TDP 130W 88W
Annual home energy cost 31.32 $/year 21.2 $/year
Annual commercial energy cost 113.88 $/year 77.09 $/year
Typical power consumption 105.63W 71.5W

bus

Architecture QPI DMI 2.0
Number of links 3 0
Transfer rate 8,000 MT/s 5,000 MT/s
Intel Xeon E7-4870 v2
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Intel Core i7 4790K
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