Samsung released 4 variant of its Galaxy S series of smartphones recently in the US across the big four carriers: Samsung Captivate from AT&T, Samsung Vibrant from T-Mobile,  Samsung Epic 4g from Sprint and most recently Samsung Fascinate from Verizon. Having 4 phones that belong to same family makes it a little difficult to pinpoint the differences among them that suits your needs to make a choose. So to make things easier, here is a side by side look at the features and specs of the 4 …

Sasung has posted a new video on its Youtube account that showcases all its latest Galaxy S offerings in the USA: Sprint Samsung Epic 4G, T-Mobile Samsung Vibrant, AT&T Samsung Captivate and Verizon Samsung Fascinate. 

Radio Shack has started accepting pre-orders for the new Samsung Vibrant from T-Mobile which is a Samsung Galaxy S device. This device will start shipping from July 21st and sells for $199 up front on a two-year contract. Radio Shack has sweetened the deal to include a $50 Gift card and without the hassle of Mail-in rebate.

The Samsung Vibrant smartphone from T-Mobile is another version of the Samsung Galaxy S to be launched on July 21st for $199.99 with 2 yr contract. The Samsung Vibrant features a 4-inch Super AMOLED touch screen display gives customers a vivid, sharp color HD-like viewing experience running on Android 2.1 OS with a speedy Samsung 1GHz Cortex A8 Hummingbird Processor. It comes with a 5-megapixel camera with digital zoom and autofocus, and has high-definition video recording capability at  720p.