Lumia 630 vs 525This is to find out whether the successor Lumia 630 offers any performance advantage over one of its predecessors Lumia 525. Lumia 525 has one advantage over Lumia 630 in form of 1 GB RAM, while Lumia 630 has only 512 MB RAM. So, which device will come on top. Lumia 630 running on a quad-core processor or Lumia 525 boasting of a 1 GB RAM. For your info both run the same OSĀ  version. Check the video below,