Nokia Lumia 525 is equipped with a 4-inch display, 5MP primary camera, 1GB of RAM, 8GB of internal memory and microSD card support up to 64GB. The main rival of Lumia 525 is Samsung Galaxy Core, which comes equipped with 4.3-inch display, 5MP camera, 1GB RAM and 8GB of internal memory. Both smartphones are powered by a dual-core processor. Know more about the smartphones here: Nokia Lumia 525 >> http://mobiles.maxabout.com/nokia/lumia-525 Samsung Galaxy Core >> http://mobiles.maxabout.com/samsung/galaxy-core-i8260