As per specs Desire U is powered by single core 1GHz processor along with 512 MB of RAM, It has 4-inch WVGA screen with screen resolution of 480×800 pixels. At back it has a 5 MP camera with LED flash.
It comes with 4 GB of internal storage which can be expandable with micro SD card. It has a 1,650mAh battery. It runs on Android 4.0 and will be available in Black and Polar White colors.