Microsoft Announces First Windows Phone 8 Hardware Partners, Qualcomm SoCs Inside
 

Probably one of the biggest rumors leading up to the Windows Phone 8 announcement was some speculation that Qualcomm would lose its exclusive status as the sole SoC vendor for Windows Phone handsets. As a recap, WP7 and WP7.5 started out with QSD8x50 65nm Snapdragon, and later moved on to 45nm single core MSM8x55 and MSM7x30.

http://www.anandtech.com/show/6030/m...mm-socs-inside