Check out this side by side camera image stabilization test video, which compares the Nokia Lumia 1020 Windows Phone 8 flagship against the Android running Samsung Galaxy S4 and HTC One alongside the Apple iPhone 5.
How do you think the optical image stabilization on the HTC One and the Lumia 1020 compare against the Galaxy S4 and iPhone 5 which feature digital image stabilization.
source - TechPP (YouTube)