For questions truly specific to the "HTC Sensation" (aka "HTC Sensation 4G") device.
The HTC Sensation was launched in May 2011 in Europe. T-Mobile is marketing the phone in the US as "HTC Sensation 4G".
Two HTC Sensations Displaying Front and Back (source: Wikipedia)
- CPU: 1.2 GHz dual-core Qualcomm Scorpion
- GPU: Qualcomm Adreno 220
- RAM: 768 MB
- internal storage: 4 GB (1 GB user accessible)
- removable: microSDXC up to 64 GB
- display: 4.3" 540×960 capacitive S-LCD Gorilla glass
- rear camera: 8 MPx
- front camera: VGA
Full device specifications can be found at GSMArena.