This is the official Samsung Galaxy S III AT&T User Guide in English provided from the manufacturer. If you are looking for detailed technical specifications, please see our Specs page.
AT&T’s Samsung Galaxy S III comes with a 4.8 inch Super AMOLED display with a resolution of 720x1280 pixels, and a 28nm dual-core 1.5GHz Qualcomm Snapdragon S4 processor. The integrated on-chip LTE means you get support for the carrier’s new 4G network. The AT&T SGS III is also among the first US phones to feature 2GB of RAM.