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Differences What are the advantages of each

Front view of Intel Xeon E5 2697 v2

Reasons to consider the
Intel Xeon E5 2697 v2

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Much more l3 cache 30 MB vs 25 MB 20% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 786,432 MB vs 262,144 MB Supports 3x more RAM
Much better performance per watt 9.11 pt/W vs 4.42 pt/W More than 2x better performance per watt
Much higher Maximum operating temperature 86 °C vs 72 °C Around 20% higher Maximum operating temperature
More threads 24 vs 16 8 more threads
More l2 cache 3 MB vs 2.5 MB 20% more l2 cache; more data can be stored in the l2 cache for quick access later
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 2.7 GHz More than 25% higher clock speed
Significantly higher turbo clock speed 4 GHz vs 3.5 GHz Around 15% higher turbo clock speed

Benchmarks Real world tests of Xeon E5 2697 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 2697 v2
2,320,000 MB/s
Xeon E5 2687W v2
783,950 MB/s

Specifications Full list of technical specs

summary

Xeon E5 2697 v2  vs
2687W v2 
Clock speed 2.7 GHz 3.4 GHz
Turbo clock speed 3.5 GHz 4 GHz
Cores Dodeca 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

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

details

Xeon E5 2697 v2  vs
2687W v2 
Architecture x86-64 x86-64
Threads 24 16
L2 cache 3 MB 2.5 MB
L3 cache 30 MB 25 MB
Manufacture process 22 nm 22 nm
Max CPUs 2 2
Clock multiplier 27 34
Operating temperature Unknown - 86°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

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 9.11 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
Intel Xeon E5 2697 v2
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Intel Xeon E5 2687W v2
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Comments

Showing 1 comment.
I do rendering and 3D software like Maya... But I also want to have high performance on gaming... So I am wondering... Should go dual E5-2697v2 (for more cores and cache), or dual E5-2687W v2 (for less cost higher clock speed)? I'm not sure which will have a greater impact on performance, seems like after a certain amount of cores, you start to see diminishing returns, and the dual 2687s scored higher than dual 2697s (if that makes a difference).
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