Its not faster, Its not smarter. Even the data card speed is like a slow bus, the network varies like anything.
I activated 3G on mobile. but the range is too poor, and available only in some areas.
i was quite happy with the Airtel data speed on mobile. Now I activated the 3G with Vodafone but the 3G range in hardly available, and basis net speed is also less.
Not recommended for email use on mobile.