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Differences What are the advantages of each

Front view of Intel Xeon E7-8880 v2

Reasons to consider the
Intel Xeon E7-8880 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 37.5 MB vs 6 MB 6.2x 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 4 11 more cores; run more applications at once
More threads 30 vs 8 22 more threads
Supports more RAM 1,572,864 MB vs 32,768 MB Supports 48x more RAM
Significantly more l3 cache per core 2.5 MB/core vs 1.5 MB/core More than 65% more l3 cache per core
Newer Feb, 2014 vs Apr, 2012 Release date over 1 years later
Front view of Intel Core i7 3720QM

Reasons to consider the
Intel Core i7 3720QM

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 36.56W vs 105.63W 2.9x lower typical power consumption
Higher turbo clock speed 3.6 GHz vs 3.1 GHz More than 15% higher turbo clock speed
Much higher Maximum operating temperature 105 °C vs 73 °C Around 45% higher Maximum operating temperature
Much lower annual home energy cost 10.84 $/year vs 31.32 $/year 2.9x lower annual home energy cost
Much lower annual commercial energy cost 39.42 $/year vs 113.88 $/year 2.9x lower annual commercial energy cost

Features Key features of the Xeon E7-8880 v2  vs Core i7 3720QM 

clock speed

turbo clock speed

L2 cache

L3 cache

Specifications Full list of technical specs

summary

Xeon E7-8880 v2  vs
Core i7 3720QM 
Clock speed 2.5 GHz 2.6 GHz
Turbo clock speed 3.1 GHz 3.6 GHz
Cores Pentadeca core Quad core
Socket type
LGA 2011
BGA 1224
rPGA 988B
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
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 45W
Annual home energy cost 31.32 $/year 10.84 $/year
Annual commercial energy cost 113.88 $/year 39.42 $/year
Typical power consumption 105.63W 36.56W

bus

Architecture QPI DMI
Number of links 3 1
Transfer rate 8,000 MT/s 5,000 MT/s

details

Xeon E7-8880 v2  vs
Core i7 3720QM 
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 37.5 MB 6 MB
L3 cache per core 2.5 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 8 1
Clock multiplier 25 26
Operating temperature Unknown - 73°C Unknown - 105°C

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4000
Latest DirectX N/A 10.x
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,250 MHz
3DMark06 N/A 5,344.5

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3L-1333
DDR3RS-1600
DDR3RS-1333
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
Intel Xeon E7-8880 v2
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Intel Core i7 3720QM
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