app4g
                
              
              
                  
                  
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Take a look at this thread. I think the OP also has an assioma and was seeing high powermatch delta.
That thread has some suggestions to determine
- if the mismatch is “real”
 
- some ways to do the testing.
 
If you’re interested in the “Why speed / distance” are different, you can take a look at this thread