Samsung Electronics will lead the world's top-10 smartphone vendor rankings in 2015, followed by Apple, Lenovo, LG Electronics, Huawei, Xiaomi Technology, Microsoft, TCL Communication Technology, Coolpad and Oppo, according to Digitimes Research.

Samsung and Apple will ship over 330 million and 230 million smartphones, respectively in 2015, while Lenovo will ramp up its shipments to 84 million units following the completion of its acquisition of Motorola Mobility.

Fourth-ranked vendor LG will ship 67 million units, while Huawei will ship slightly over 65 million units.

With regard to smartphone platform, shipments of Android phones by the top-10 Android smartphone vendors will account for over 70% of total Android phones shipped in 2015, said Digitimes Research.