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Differences What are the advantages of each

Front view of Intel Xeon E7-8857 v2

Reasons to consider the
Intel Xeon E7-8857 v2

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 30 MB vs 6 MB 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
Much better geekbench 3 Multi-Core score 16,475 vs 9,436 Around 75% better geekbench 3 Multi-Core score
Supports more RAM 1,572,864 MB vs 32,768 MB Supports 48x more RAM
More cores 12 vs 4 Three times as many cores; run more applications at once
More threads 12 vs 4 Three times as many threads
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 Jun, 2012 Release date over 1 years later
Higher Maximum operating temperature 73 °C vs 67.4 °C Around 10% higher Maximum operating temperature
Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Much better performance per dollar 2.7 pt/$ vs 0.06 pt/$ Around 46.8x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3.2 GHz vs 3 GHz More than 5% higher clock speed
Significantly lower typical power consumption 86.05W vs 105.63W Around 20% lower typical power consumption
Better geekbench 3 single core score 2,983 vs 2,391 Around 25% better geekbench 3 single core score
Better performance per watt 4.41 pt/W vs 1.7 pt/W More than 2.5x better performance per watt
Significantly lower annual commercial energy cost 84.62 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost

Benchmarks Real world tests of Xeon E7-8857 v2 vs Core i5 3470

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E7-8857 v2
871.2 MB/s
Core i5 3470
2,470,000 MB/s

Specifications Full list of technical specs

summary

Xeon E7-8857 v2  vs
Core i5 3470 
Clock speed 3 GHz 3.2 GHz
Turbo clock speed 3.6 GHz 3.6 GHz
Cores Duodeca core Quad core
Socket type
LGA 2011
LGA 1155
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
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 42,666.64 MB/s 25,600 MB/s
Maximum memory size 1,572,864 MB 32,768 MB

details

Xeon E7-8857 v2  vs
Core i5 3470 
Architecture x86-64 x86-64
Threads 12 4
L2 cache 3 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 30 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 30 32
Operating temperature Unknown - 73°C Unknown - 67.4°C

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2500
Latest DirectX N/A 11.0
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,100 MHz

power consumption

TDP 130W 77W
Annual home energy cost 31.32 $/year 31.22 $/year
Annual commercial energy cost 113.88 $/year 84.62 $/year
Performance per watt 1.7 pt/W 4.41 pt/W
Typical power consumption 105.63W 86.05W

bus

Architecture QPI DMI 2.0
Number of links 3 1
Data rate 96,000 MB/s 2,560 MB/s
Transfer rate 8,000 MT/s 5,000 MT/s
Intel Xeon E7-8857 v2
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Intel Core i5 3470
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