Moto X seems to be this year's best candidate for a Nexus phone in everything but in name and maybe price, as Google likely didn't wan't every Android maker to freak out if it does a Nexus handset with the subsidiary Motorola, after swearing it won't play favorites...Source: http://www.phonearena.com/news/Moto-X-vs-Nexus-4-vs-HTC-One-specs-comparison_id45973
