Windows phone series nokia lumia display size 4 inch display resolution 800 x 480 pixels display type ips touchscreen multitouch capacitive pixel density 2332 ppi ram 05 gb internal memory gb 8 gb max memory expansion 64 gb processor manufacturer qualcomm processor type snapdragon s4 processor core 2 cpu clock speed 1 ghz sim card micro sim memory cards microsd microsdhc microsdxc sensors accelerometer g sensor light sensor proximity se