What are the differences between Galaxy S 3 e Galaxy S 4?

A few hours after the presentation of the new jewel of Samsung, the Galaxy S 4, many wonder What changes rispetto al precedente modello Galaxy S 3. Here we go…

Engadget has built up a comparative table with the February differenze Galaxy S 3 e Galaxy S 4, with the characteristics presented during the official presentation of the new Samsung S 4:

Galaxy S 4 Galaxy S II
Sisistema operating Android 4.2.2 (Jelly Bean) Android 4.1 (Jelly Bean)
Processor 1.6Ghz Octa-core Exynos processor /
1.9Ghz Quad-core Qualcomm processor
(depends on the market)
Samsung Exynos 4 /
Qualcomm Snapdragon S4 MSM8960
(depends on the market)
Memory 2GB 1GB / 2GB (Variants)
Display 5 Pollica Full HD Super AMOLED 4.8 inch Super AMOLED
Resolution 1,920 x 1,080 1,280 x 720
Screen Gorilla Glass 3 Gorilla Glass 2
Pixel Density 441 PPI 306 PPI
Memory 16 / 32 / 64 GB User memory
+ microsd slot (up to 64GB)
16GB / 32GB
Camera main 13-megapixel BSI AF 8-megapixel BSI AF
Camera secondary 2-megapixel BSI 1.9-megapixel BSI
Supported Networks GSM/EDGE/UMTS/DC-HSPA /LTE Cat 3 GSM / EDGE / UMTS / HSPA / LTE
Wifi Wifi 802.11 a/ac/b/g/n, Ht80 802.11 a/b/g/n, Ht40
Bluetooth 4.0 THE 4.0 THE
Connectivity NFC / MHL 2.0 / IR LED NFC / MHL
YES Micro-SIM Micro-SIM
Battery 2,600mAh 2,100mAh
Weight 130g 133g
Dimensions 136.6 x 69.8 x 7.9mm 136.6 x 70.6 x 8.6mm
Colors Black Mist / White Frost Pebble Blue / Marble White

A special thanks to Engadget.