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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 20 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Much higher clock speed 2.7 GHz vs 2.2 GHz Around 25% higher clock speed
Significantly higher turbo clock speed 3.5 GHz vs 3 GHz More than 15% higher turbo clock speed
Much more l2 cache 3 MB vs 2 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher Maximum operating temperature 86 °C vs 73 °C Around 20% higher Maximum operating temperature
More threads 24 vs 16 8 more threads
Supports more RAM 786,432 MB vs 393,216 MB Supports 2x more RAM
Much better overclocked clock speed (Air) 3.11 GHz vs 2.65 GHz More than 15% better overclocked clock speed (Air)
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better overclocked clock speed (Water) 3.42 GHz vs 3.17 GHz Around 10% better overclocked clock speed (Water)
Newer Jul, 2013 vs Mar, 2012 Release date over 1 years later
Front view of Intel Xeon E5-2660

Reasons to consider the
Intel Xeon E5-2660

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Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost

Benchmarks Real world tests of Xeon E5 2697 v2 vs E5-2660

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 E5-2660
1,540,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5 2697 v2  vs
E5-2660 
Clock speed 2.7 GHz 2.2 GHz
Turbo clock speed 3.5 GHz 3 GHz
Cores Dodeca core Octa core
Socket type
LGA 2011

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 95W
Annual home energy cost 31.32 $/year 22.89 $/year
Annual commercial energy cost 113.88 $/year 83.22 $/year
Performance per watt 9.11 pt/W 7.69 pt/W
Typical power consumption 105.63W 77.19W

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 2697 v2  vs
E5-2660 
Architecture x86-64 x86-64
Threads 24 16
L2 cache 3 MB 2 MB
L3 cache 30 MB 20 MB
Manufacture process 22 nm 32 nm
Max CPUs 2 2
Clock multiplier 27 30
Operating temperature Unknown - 86°C Unknown - 73°C

overclocking

Overclocked clock speed 3.11 GHz 2.65 GHz
Overclocked clock speed (Water) 3.42 GHz 3.17 GHz
Overclocked clock speed (Air) 3.11 GHz 2.65 GHz

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
DDR3-800
Channels Quad Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 59,733.32 MB/s 51,200 MB/s
Maximum memory size 786,432 MB 393,216 MB
Intel Xeon E5 2697 v2
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Intel Xeon E5-2660
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