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Differences What are the advantages of each

Front view of Intel Xeon E7-8880L v2

Reasons to consider the
Intel Xeon E7-8880L v2

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Much more l2 cache 3.5 MB vs 2 MB 75% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 37.5 MB vs 15 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
More cores 15 vs 6 9 more cores; run more applications at once
More threads 30 vs 12 18 more threads
Supports more RAM 1,572,864 MB vs 65,536 MB Supports 24x more RAM
Significantly lower typical power consumption 85.31W vs 105.63W Around 20% lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly lower annual home energy cost 25.29 $/year vs 31.32 $/year Around 20% lower annual home energy cost
Significantly lower annual commercial energy cost 91.98 $/year vs 113.88 $/year Around 20% lower annual commercial energy cost
Newer Feb, 2014 vs Sep, 2013 Release date 5 months later
Front view of Intel Core i7 4960X

Reasons to consider the
Intel Core i7 4960X

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
Much higher clock speed 3.6 GHz vs 2.2 GHz Around 65% higher clock speed
Significantly higher turbo clock speed 4 GHz vs 2.8 GHz Around 45% higher turbo clock speed
Much better overclocked clock speed (Air) 4.49 GHz vs 2.2 GHz More than 2x better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.33 GHz vs 2.2 GHz More than 95% better overclocked clock speed (Water)
More l2 cache per core 0.33 MB/core vs 0.23 MB/core Around 45% more l2 cache per core

Features Key features of the Xeon E7-8880L v2  vs Core i7 4960X 

clock speed

turbo clock speed

L2 cache

L3 cache

overclocked clock speed (air)

Core i7 4960X
4.49 GHz

overclocked clock speed (water)

Core i7 4960X
4.33 GHz

Specifications Full list of technical specs

summary

Xeon E7-8880L v2  vs
Core i7 4960X 
Clock speed 2.2 GHz 3.6 GHz
Turbo clock speed 2.8 GHz 4 GHz
Cores Pentadeca core Hexa 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
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 105W 130W
Annual home energy cost 25.29 $/year 31.32 $/year
Annual commercial energy cost 91.98 $/year 113.88 $/year
Typical power consumption 85.31W 105.63W

bus

Architecture QPI DMI 2.0
Number of links 3 1
Data rate 96,000 MB/s 20,000 MB/s
Transfer rate 8,000 MT/s 5,000 MT/s
Clock speed 4,000 MHz 2,500 MHz

details

Xeon E7-8880L v2  vs
Core i7 4960X 
Architecture x86-64 x86-64
Threads 30 12
L2 cache 3.5 MB 2 MB
L2 cache per core 0.23 MB/core 0.33 MB/core
L3 cache 37.5 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 8 1
Operating temperature Unknown - 68°C Unknown - 66.8°C

overclocking

Overclocked clock speed 2.2 GHz 4.49 GHz
Overclocked clock speed (Water) 2.2 GHz 4.33 GHz
Overclocked clock speed (Air) 2.2 GHz 4.49 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
DDR3-1866
DDR3-1600
DDR3-1333
DDR3
Channels Quad Channel Quad Channel
Supports ECC Yes No
Maximum bandwidth 51,200 MB/s 59,733.32 MB/s
Maximum memory size 1,572,864 MB 65,536 MB
Intel Xeon E7-8880L v2
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Intel Core i7 4960X
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