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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 higher clock speed 3 GHz vs 2.5 GHz 20% higher clock speed
Supports more RAM 1,572,864 MB vs 786,432 MB Supports 2x more RAM
Higher turbo clock speed 3.6 GHz vs 3.3 GHz Around 10% higher turbo clock speed
Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Front view of Intel Xeon E5-2680 v3

Reasons to consider the
Intel Xeon E5-2680 v3

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More threads 24 vs 12 Twice as many threads
Much better performance per watt 12.03 pt/W vs 1.7 pt/W More than 7x better performance per watt
Much higher Maximum operating temperature 84.5 °C vs 73 °C More than 15% higher Maximum operating temperature
Lower typical power consumption 97.5W vs 105.63W Around 10% lower typical power consumption
Lower annual commercial energy cost 105.12 $/year vs 113.88 $/year Around 10% lower annual commercial energy cost
Lower annual home energy cost 28.91 $/year vs 31.32 $/year Around 10% lower annual home energy cost

Benchmarks Real world tests of Xeon E7-8857 v2 vs E5-2680 v3

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
Xeon E5-2680 v3
2,640,000 MB/s

Specifications Full list of technical specs

summary

Xeon E7-8857 v2  vs
E5-2680 v3 
Clock speed 3 GHz 2.5 GHz
Turbo clock speed 3.6 GHz 3.3 GHz
Cores Duodeca core Duodeca core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
AES
AVX
AVX 2.0
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 42,666.64 MB/s 6,400 MB/s
Maximum memory size 1,572,864 MB 786,432 MB

details

Xeon E7-8857 v2  vs
E5-2680 v3 
Architecture x86-64 x86-64
Threads 12 24
L3 cache 30 MB 30 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 8 2
Operating temperature Unknown - 73°C Unknown - 84.5°C

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

power consumption

TDP 130W 120W
Annual home energy cost 31.32 $/year 28.91 $/year
Annual commercial energy cost 113.88 $/year 105.12 $/year
Performance per watt 1.7 pt/W 12.03 pt/W
Typical power consumption 105.63W 97.5W

bus

Architecture QPI QPI
Number of links 3 2
Data rate 96,000 MB/s 76,800 MB/s
Transfer rate 8,000 MT/s 9,600 MT/s
Clock speed 4,000 MHz 4,800 MHz
Intel Xeon E7-8857 v2
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Intel Xeon E5-2680 v3
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