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Differences What are the advantages of each

Front view of Intel Xeon E5 2690 v2

Reasons to consider the
Intel Xeon E5 2690 v2

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Supports more RAM 786,432 MB vs 262,144 MB Supports 3x more RAM
Much better performance per watt 10.91 pt/W vs 4.42 pt/W Around 2.5x better performance per watt
Much higher Maximum operating temperature 88 °C vs 72 °C More than 20% higher Maximum operating temperature
More threads 20 vs 16 4 more threads
Lower typical power consumption 105.63W vs 121.88W Around 15% lower typical power consumption
Lower annual commercial energy cost 113.88 $/year vs 131.4 $/year Around 15% lower annual commercial energy cost
Lower annual home energy cost 31.32 $/year vs 36.13 $/year Around 15% lower annual home energy cost
Front view of Intel Xeon E5 2687W v2

Reasons to consider the
Intel Xeon E5 2687W v2

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Much higher clock speed 3.4 GHz vs 3 GHz Around 15% higher clock speed
Significantly higher turbo clock speed 4 GHz vs 3.6 GHz More than 10% higher turbo clock speed
Significantly more l3 cache per core 3.13 MB/core vs 2.5 MB/core 25% more l3 cache per core
More l2 cache per core 0.31 MB/core vs 0.25 MB/core 25% more l2 cache per core

Benchmarks Real world tests of Xeon E5 2690 v2 vs 2687W v2

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 E5 2690 v2
2,100,000 MB/s
Xeon E5 2687W v2
783,950 MB/s

Specifications Full list of technical specs

summary

Xeon E5 2690 v2  vs
2687W v2 
Clock speed 3 GHz 3.4 GHz
Turbo clock speed 3.6 GHz 4 GHz
Cores Deca core Octa core
Socket type
LGA 2011
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

power consumption

TDP 130W 150W
Annual home energy cost 31.32 $/year 36.13 $/year
Annual commercial energy cost 113.88 $/year 131.4 $/year
Performance per watt 10.91 pt/W 4.42 pt/W
Typical power consumption 105.63W 121.88W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 64,000 MB/s 64,000 MB/s
Transfer rate 8,000 MT/s 8,000 MT/s
Clock speed 4,000 MHz 4,000 MHz

details

Xeon E5 2690 v2  vs
2687W v2 
Architecture x86-64 x86-64
Threads 20 16
L2 cache 2.5 MB 2.5 MB
L2 cache per core 0.25 MB/core 0.31 MB/core
L3 cache 25 MB 25 MB
L3 cache per core 2.5 MB/core 3.13 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 2 2
Clock multiplier 30 34
Operating temperature Unknown - 88°C Unknown - 72°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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3-800
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 59,733.32 MB/s 59,733.32 MB/s
Maximum memory size 786,432 MB 262,144 MB
Intel Xeon E5 2690 v2
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Intel Xeon E5 2687W v2
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