Ever since I installed Phoenix ROM (Android 2.2) on my Samsung Captivate, it had a feeling that the internet speed on it is much faster then on my iPhone4 even though both are on the same network. Turns out Samsung Captivate gets 3 times more downstream bandwidth and about the same upstream.
Widgeterian 
It is a good information about internet speed………Like the same way , i check my internet speed everyday……….both downloading & uploading speed through this site http://www.ip-details.com/internet-speed-test/My speed test results are,upload speed:0.52 kbpsdownload speed:1.96 kbpsIt has the best & accurate results for my internet speed test!!!!