Display: 5in full HD Super Amoled (1920 x 1080) 441ppiBigger, brighter and with a better resolution, it should be one of the stand out panels. However, there was no mention of the display being indestructible as rumoured.
Processor: 1.6GHz Octa-core processorThe first device to run an "eight core" processor. Android is able to shift processes to multiple threads, but it remains to be seen whether these additional cores will deliver a quantifiable boost or will simply drain the battery.
RAM: 2GBSamsung has doubled the RAM which was included in the S3.
Storage: 16/32/64GB internal + microSD slot (up to 64GB)Pretty standard stuff here with users able to choose how much internal memory they require.
Camera: 13-megapixel rear and 2-megapixel front (full HD recording)The main camera has been upgraded from 8-megapixel to 13-megapixel so should deliver a boost in image quality. The front-snapper also offers full-HD recording capabilities.
Battery: 2,600 mAhThe battery has been increased by 20 per cent over the S3. This will help to power the bigger display. Samsung also allows users to replace the battery.
Connectivity: Wi-Fi 802.11 a/b/g/n/ac (HT80), GPS / GLONASS, NFC, Bluetooth 4.0 (LE), LTE, IR LED (Remote Control), MHL 2.0The ports and wireless connections on offer are some of the most comprehensive available on a smartphone. Samsung has added an MHL 2.0 port - this port not only charges the device, but allows users to connect it to a HDTV.
Thickness and weight: 7.9mm/130gDespite being larger than its predecessor, the S4 is thinner and 3g lighter.
