Do you have a lot of networks around you? Set up the 5Ghz n network for the iPad and iMac. The iPhone needs 2.4 ghz though. If it is network interference going n may help it.

The big difference between the tests on the same device is odd. They will vary on Download by 1 or 2 maybe, but usually not the difference you had on the iPad.

Edited by Jim_ (06/19/13 12:07 AM)