**Editor's note: Please click here for our latest roundup of iPhone 5 speculation or here for our list of June's hottest selling smartphones to see how the iPhone and the Galaxy S III stacked up against the competition.**
Samsung is leaving its fellow Android-smartphone manufacturers in the dust, and when the numbers for July are in, the company's hottest new device – the Samsung Galaxy S III – might just be looking at the iPhone 4S in its rearview mirror as well.
The latest report from Juniper Research shows Samsung has shipped more than 52 million smartphones globally in the second quarter – that's twice as many as its leading competitor, Apple, which has shipped 26 million. That's good enough to double its lead over Apple from the previous quarter.
The big reason is the Korea-based handset giant's latest phone, the Galaxy S III. Juniper says 10 million S IIIs were sold in June. And the longer Apple waits to release its sixth-generation device, the more likely the disparity between the two companies will grow. In the U.S., the iPhone 4S has been the top seller at AT&T, Verizon Wireless and Sprint each month since its debut in October 2011, but that is widely expected to change when July's results are released.
Predictions on an iPhone release date vary from as early as mid-August to as late as mid-October. While it's unlikely that Apple could move the date up much, these latest results might pressure the company to do so. That being said, recent surveys on demand for the next-gen iPhone show it could outsell its wildly successful predecessor, so Apple might not have that much to be concerned about.
Juniper says RIM continues to struggle coping with the transition to the touchscreen era along with an operating systems that isn't attracting developers. And despite decent sales at launch, the research firm says Nokia has little reason to be confident about its adoption of Microsoft's Windows Phone OS.