Both devices were freshly restored to iOS 8.0 and connected to the 2013 Apple AirPort Extreme. The router was placed 1.5 metres away from the smartphones and each iPhone was connected to the AirPort Extreme using a 5GHz-only network. No other devices were connected to the wireless network at the time of the test and the downloads were performed at separate times. We cut them together for comparison.
As you will see in the video, there is a substantial speed improvement!
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