Originally posted by deejjjaaaa which places ? the same people are repeating the same things in all those places... as for "that the photosites are larger with less space between them, that the microlenses are larger" it is the exactly same thing that was told about K20D sensor when people where crying about 14.6mp before K20D release... recycling old slogans.
I'm not going to bother with a lot of research to answer this, however, from the K-7 brochure that Uncle Ned posted to his blog:
"Sensor
The 14.6 megapixel CMOS sensor in the K‐7 is rebuilt from the ground up ....
While one could rightfully say that this is just more marketing speak, one could also rightfully say that Pentax isn't going to risk getting caught in a bald faced lie. I't pretty much a given that someone will take a K-7 apart to see if the sensor is, in fact, a brand new one or a rehash of the old one.