Sony product White papers are intended to give an overview of a product and provide details in relevant areas of technology. PDF to large to attach so the download link is under the picture.
Original link: http://www-support-downloads.sonymobile.com/c66/whitepaper_EN_c66_ xperia_z.pdf.pdf
Original link: http://www-support-downloads.sonymobile.com/c66/whitepaper_EN_c66_ xperia_z.pdf.pdf