in the week before the PMA show. The K20D also marked the introduction of a 14.6 megapixel sensor jointly developed with Samsung and manufactured by Samsung.
Samsung has been marketing their own versions of Pentax cameras for the past couple of years, so it was no surprise to see they will be marketing their own version of the Pentax K20D called the GX20. Features and specifications appear all but identical to the Pentax K20D
Their you go.
ps here is a link for more reading.
AnandTech: PMA Has A Few Surprises