For questions truly specific to the "Sony Xperia Mini" device.
The Sony Xperia Mini (not to be confused with Sony Xperia X10 mini) was released in August 2011.
Sony Xperia Mini (source: GSMArena)
- CPU: 1 GHz Scorpion
- GPU: Adreno 205
- RAM: 512 MB
- internal storage: 1 GB ROM, 320 MB user-available
- removable: microSD up to 32 GB
- display: 3" 320×480 LED-backlit LCD
- rear camera: 5 MPx
Full device specifications can be found at GSMArena.