The newly launched Nokia Lumia 1520 brings a lot of firsts from Nokia, like its 6 inch display which has a 1080 by 1920 pixel resolution. It is also the first handset form the company to feature a quad-core processor, and Nokia has chosen to fit it with one of the best in the market - the Snapdragon 800. If you are planning to get a Lumia 1520 you may want to check out these video reviews
You can read the full reviews by following the source links below
source - PhoneArena | Engadget | WPCentral