Samsung Galaxy Core is powered by a 1.2GHz Cortex A5 dual-core processor, which is coupled with 1GB of RAM, 8GB internal memory and microSD card support up to 64GB. The primary camera of the phone is 5MP while the front-facing cam is 0.3MP. The OS of Galaxy Core is Android and it is powered by a 1800mAh battery. The Nokia Lumia 525 is equipped with a dual-core 1GHz processor, 1GB RAM, 8GB internal memory, 64GB microSD card support, Windows Phone 8 Black and 1430mAh battery. Know more about the Galaxy Core here and click here to know more about the Nokia Lumia 525.