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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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Higher clock speed 2.4 GHz vs 2.3 GHz Around 5% higher clock speed
Significantly lower typical power consumption 93.44W vs 117.81W More than 20% lower typical power consumption
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Significantly lower annual commercial energy cost 100.74 $/year vs 127.02 $/year More than 20% lower annual commercial energy cost
Significantly lower annual home energy cost 27.7 $/year vs 34.93 $/year More than 20% lower annual home energy cost
Front view of Intel Xeon E5-2699 v3

Reasons to consider the
Intel Xeon E5-2699 v3

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Much more l3 cache 45 MB vs 30 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 36 vs 24 12 more threads
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) 2.84 GHz vs 2.4 GHz Around 20% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.17 GHz vs 2.4 GHz More than 30% better overclocked clock speed (Water)
Newer Jul, 2014 vs Jan, 2014 Release date 6 months later

Features Key features of the Xeon E5 4657L v2  vs E5-2699 v3 

clock speed

L3 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Xeon E5 4657L v2  vs
E5-2699 v3 
Clock speed 2.4 GHz 2.3 GHz
Cores Dodeca core Processing Cores

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
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling No Yes

power consumption

TDP 115W 145W
Annual home energy cost 27.7 $/year 34.93 $/year
Annual commercial energy cost 100.74 $/year 127.02 $/year
Typical power consumption 93.44W 117.81W

details

Xeon E5 4657L v2  vs
E5-2699 v3 
Architecture x86-64 x86-64
Threads 24 36
L3 cache 30 MB 45 MB
Manufacture process 22 nm 22 nm
Max CPUs 4 2

overclocking

Overclocked clock speed 2.4 GHz 2.84 GHz
Overclocked clock speed (Water) 2.4 GHz 3.17 GHz
Overclocked clock speed (Air) 2.4 GHz 2.84 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 25,600 MB/s 6,400 MB/s
Intel Xeon E5 4657L v2
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Intel Xeon E5-2699 v3
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