SQL Perfomance

We have an application that will be installed on multiple servers.  we are sharing a SQL 2014 Standard server for all the application servers.  we have the option to configure all the servers to use the same instance of SQL and utilize a database naming convenstion or to set up multiple instances.  

From a performance standpoint, what is better?  have one instance or use multiple instances?

Thanks!
posaeAsked:
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Paul MacDonaldDirector, Information SystemsCommented:
I'm not aware of any performance difference between having a single vs multiple instances running on the same server.  There are administrative reasons, but I'm not aware of any performance advantages one way or the other.

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Deepak ChauhanSQL Server DBACommented:
Single instance is always good in my view. A memory, CPU and disk IO overlapping comes in picture when multi instance is installed on single server. However you can configure memory, and CPU for each instance.
posaeAuthor Commented:
ah...ok...thanks!
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