"Excellent performance and Nokia apps. Average screen."4.0 starson by klaxstar
Pros: * Nokia's own apps (HERE Maps, HERE Drive+, HERE Transit and Nokia Music) are outstanding
* Excellent performance of Windows Phone 8 interface and apps
* Wireless charge (although a new cover needs to be bought)
* Support of micro-SD card
Cons: * Average screen with low resolution compared to other devices
* Some apps are still missing in Windows Phone 8 app store
* No notification LED
Summary: Compared to the Nokia Lumia 820, it lacks some of the key features such as a high resolution screen, wireless charge out of the box and OIS camera. However the performance is on par, as the CPU and Memory are the same, while the price is much slower.
Compared to HTC Windows Phone 8X, the screen of the Nokia Lumia 820 is worse but it allows to insert external micro-SD cards.
More info can be found at this analisis Nokia Lumia 820: http://www.teknofilo.com/nokia-920-analisis-y-prueba-a-fondo/