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Differences What are the advantages of each

Front view of Intel Xeon E5 4657L v2

Reasons to consider the
Intel Xeon E5 4657L v2

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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
Supports more CPUs in SMP configuration 4 vs 1 3 supports more CPUs in SMP configuration
More threads 24 vs 8 Three times as many threads
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Front view of Intel Core i7 4790K

Reasons to consider the
Intel Core i7 4790K

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 4 GHz vs 2.4 GHz More than 65% 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
Much better overclocked clock speed (Air) 4.63 GHz vs 2.4 GHz Around 95% better overclocked clock speed (Air)
Significantly lower typical power consumption 71.5W vs 93.44W Around 25% lower typical power consumption
Much better overclocked clock speed (Water) 4.8 GHz vs 2.4 GHz Around 2x better overclocked clock speed (Water)
Significantly lower annual home energy cost 21.2 $/year vs 27.7 $/year Around 25% lower annual home energy cost
Significantly lower annual commercial energy cost 77.09 $/year vs 100.74 $/year Around 25% lower annual commercial energy cost
Newer Apr, 2014 vs Jan, 2014 Release date 3 months later

Features Key features of the Xeon E5 4657L v2  vs Core i7 4790K 

clock speed

L3 cache

overclocked clock speed (air)

Core i7 4790K
4.63 GHz

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E5 4657L v2  vs
Core i7 4790K 
Clock speed 2.4 GHz 4 GHz
Cores Dodeca 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
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling No Yes

power consumption

TDP 115W 88W
Annual home energy cost 27.7 $/year 21.2 $/year
Annual commercial energy cost 100.74 $/year 77.09 $/year
Typical power consumption 93.44W 71.5W

details

Xeon E5 4657L v2  vs
Core i7 4790K 
Architecture x86-64 x86-64
Threads 24 8
L3 cache 30 MB 8 MB
Manufacture process 22 nm 22 nm
Max CPUs 4 1

overclocking

Overclocked clock speed 2.4 GHz 4.63 GHz
Overclocked clock speed (Water) 2.4 GHz 4.8 GHz
Overclocked clock speed (Air) 2.4 GHz 4.63 GHz

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Intel Xeon E5 4657L v2
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Intel Core i7 4790K
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