What is the best way to compare two entity framework entities?

Question

I want to know the most efficient way of comparing two entities of the same type.

One entity is created from an xml file by hand ( ie new instance and manually set p

Answer 1

Override the Equals method of your object and write an implementation that compares the properties that make it equal.

    public override bool Equals(object obj)
    {
        return MyProperty == ((MyObject)obj).MyProperty
    }