Samsung Galaxy S has an inbuilt 5 mega pixel camera that has the resolution power of 2592x1944 pixels. The list includes other features like touch focus, auto focus, face and smile detection and Geo tagging. The touchscreen measures 4 inches and is AMOLED capacitive. Handset supports the features like 2G and 3G networks (that supports video calling), GPRS, EDGE, bluetooth, USB and wi-fi technology for internet connectivity etc. Many network providers are offering various deals like Samsung Galaxy S O2 pay as you go deals that does not involve any contract formality and offers exciting discounts to users.
The Samsung Galaxy Portal, on the other hand has 3.15 mega pixel camera that can bring out 2048x1536 pixels resolution. The TFT touchscreen is comparatively smaller. It shares the features like GPRS, EDGE, 2G and 3G networks, Bluetooth and usb connectivity with Galaxy S. Samsung Galaxy Portal works on ANDROID OS which is quite popular these days. With both of them offering so much, its a quite difficult task to choose one.