The Nokia Lumia 1020 and the Nokia Lumia 920 look nearly identical when looked at side by side from the front, but all the action takes place at the back with the 41MP camera sported by Nokia's newest flagship. Nokia has also included a few subtle improvements to the Lumia 1020 which include an AMOLED display and 2GB of RAM compared to the IPS LCD display and 1GB of RAM on the Lumia 920.
Check out the following video comparisons of the Lumia 1020 and Lumia 920 and see how the compare side by side in detail
source - PocketNow | Recombu