Needless to say the likes of the HTC One, Sony Xperia Z and the now aging iPhone 5 have some pretty meaty competition, so here's our complete lowdown on the new handset.
But if you're more interested in checking out how the S4 runs against the competition, here's our fist fight between the devices: Samsung Galaxy S4 vs Sony Xperia Z vs HTC One vs iPhone 5 vs Lumia 920
Samsung Galaxy S4 release date and price
The Samsung Galaxy S4 will roll out with a staggering 327 operators across 155 countries and the Galaxy S4 release date is 26 April.
Check here for all the Samsung Galaxy S4 US carriers
We expect the Samsung Galaxy S4 price to be about £480/$725/AUD$695) SIM-free although the Galaxy SIV price is yet to be confirmed.