BLU has announced its Studio 5.5 affordable smartphone, which offers a large screen and a quad-core CPU at a very attractive price point. It's built around a 5.5" TFT display with a resolution of 480 x 854 pixels, which makes for a pixel density of 178ppi. Under the hood, the BLU Studio 5.5 packs a 1.2GHz quad-core Cortex-A7 CPU and a PowerVR SGX544 GPU on the MediaTek MTM6589 platform....
Source: http://www.gsmarena.com/blu_studio_55_is_official_with_two_sim_slots_and_a_quadcore_cpu-news-6915.php