4g smartphone android phone series samsung galaxy samsung galaxy s display size 43 inch display resolution 960 x 540 pixels display resolution qhd display type super amoled touchscreen multitouch capacitive pixel density 2562 ppi ram 15 gb internal memory gb 8 gb max memory expansion 64 gb processor manufacturer qualcomm processor type snapdragon 400 processor core 2 cpu clock speed 17 ghz gpu adreno 305 sim card micro sim memory cards