With the onset of technological advancement, mobile phones are stuffed with unique applications that are not only sophisticated but also user friendly. They are not just another stereotyped medium of communication but support amazing technologies that help people in carrying out their regular activities. At present, all leading brands like Nokia, Samsung, Sony Ericsson, Motorola etc., offering with 3G mobile phones that have generated craze among users. Handsets also inheirt Wi Fi connectivity to support wireless networking. Both applications are similar to some extent. However, difference exist when they are compared against each other. In race between 3G mobile phones versus Wi -Fi phones, both technologies hold their importance and usefulness. Both technologies are meant for providing wireless connectivity to the handset. However, differences lie in their efficiency and quality. The 3G mobile phones allow users to enjoy voice calls, videos calls and wireless data calls. They support speedy browsing without any hurdle. On the other hand, Wi-Fi mobile phones also support surfing at a reasonable rate but not as smooth as compare to 3G technology. On comparing the functions of 3G mobile phones and Wi -Fi phones, one will get to know that the previous handset encompasses wide range of functions like video calling, fast down loading and importantly network in even remote areas. But, Wi-Fi has nothing to do with the network. However, it get activated in hotspot areas. The advanced mobile phones like Nokia N97, Samsung i8910 OmniaHD, Sony Ericsson T715 etc.,possess 3G technology in them. Handsets have all required as well as sophisticated attributes that makes them highly demandable. Smart phones supports speedy connectivity through technologies like EDGE, USB, GPRS and bluetooth. With the HTML and WAP 2.0 web browser, one can surf Internet at very fast pace and can also download music, videos, pictures etc. Users can capture pictures as well as record videos of their nearest ones with their high quality camera. The other features that present in smart phones are messaging, call record, phone book, organiser etc. One fill the communication gap not only through calls but also by sending messages in formSMS, MMS and Emails at very fast pace without any network problem. mobile phones have become affordable mean of communication for people belonging to all strata of society. One can find various handsets with simple features as well devices with advanced features. Depending on personal taste, one can choose handset and enjoy unrestricted service. One can find information related on any of these devices on various sites. Internet is the best way that allow comparison of handsets that help users in making decision. One can compare price, features, etc ., of handsets and can judge them based on the need. There are various protocols that have separate column where users can post their comments. In order to make mobile phones more attractive, retailers provide certain gifts on them. These offers include PS3, iPod, laptops etc that add creditability to handsets. One can say that 3G mobile phones have change the course of communication history. So,it’s time for you decide your handset and enjoy advanced application without worrying about the network.