Check out the features of Sony Xperia S and HTC One S and the anticipated ones of Galaxy S3.
Motorola Razr HD, HTC Phablet are also on the cards.
Nokia's 14-year reign as the world's largest phone seller has been ended by Samsung, which sold 93m phones in the last quarter.
We compare the upcoming Galaxy S3 to the Apple iPhone 4S, Samsung Galaxy S2, Galaxy Note, Motorola Droid Razr Maxx, and HTC One X.
Check out how the two stack up
Check out the comparison of HTC One S and Apple's iPhone 4S
Apple fans could expect the thinnest iPhone with the adoption of the new in-cell technology.
The Smartphone Could Beat iPhone 4S and HTC One X.
HTC processors could be a reality soon becasue of supply constraints from Qualcomm.
Taiwanese mobile major HTC unveils its One Series at Mobile World Congress which includes HTC One X.
Samsung is set to unveil its Galaxy S3 on 3 May which could be accompanied by a cloud-based service, presumably called S-Cloud.
According to the Korean Maeil Business, it is reported that Samsung will unveil an iCloud competitor at the launch event in London. The cloud service is expected to store all content including videos, photos, music and will charge for storing high amounts of data.
A detailed feature comparison between HTC One X and Huawei Ascend D quad.
How the Samsung Galaxy Nexus and the HTC One X stack up.
Over the years, Apple has been secretly working on 3D technology with plans of securing a lucrative business in this promising market.
How the HTC Evo 4G LTE and the Galaxy S2 stack up.
Samsung Galaxy S3 will feature a quad-core processor.
Nokia has seen smartphone sales drop by over 50 percent compared to last year while revenue has fallen by 29 percent.
How the HTC One S and the Galaxy S2 stack up.
The Samsung Galaxy S3 will only be a minor update from the Galaxy S2, adding a speed boost and eye-tracking technology, according to an anonymous source.
Check out how the two smartphones do against each other
While RIM is unlikely to be sold outright, the company is considering licensing BlackBerry OS to other smartphone makers.
Google is reportedly set to take on Dropbox and iCloud with its own cloud-based storage service, called Drive.