In the Nokia 603 an internal storage of 2 GB is available. If this happens to be not enough, it can be extended with external cards (microSD, microSDHC). It has a 3.5 inch display with TFT technology and a density of 210 ppi.
In the Nokia 603 a Single-Core processor does the computing, assisted by 0.5 GB of RAM. Detail knowledge: Graphics calculation is done by a Yes. The smartphone's back camera has a maximum resolution of 5 megapixels.