Windows phone 4g smartphone series nokia lumia display size 43 inch display resolution 800 x 480 pixels display type amoled touchscreen multitouch capacitive display characteristics clearblack pixel density 217 ppi ram 1 gb internal memory gb 8 gb max memory expansion 32 gb processor manufacturer qualcomm processor type snapdragon s4 processor core 2 cpu clock speed 15 ghz gpu adreno 225 sim card micro sim memory cards microsd microsdhc