https://www.windowsblogitalia.com/2014/02/autonomia-windows-phone-8-e-snapdragon-800-il-connubio-perfetto-lumia-1520-vs-lumia-1320/
Autonomia: Windows Phone 8 e Snapdragon 800, il connubio perfetto - Lumia 1520 Vs. Lumia 1320 Vs. Lumia 1020