Four years since it was released, Canon has finally announced the successor to the 5D Mark III, the new 5D Mark IV. Canon EOS 5D Mark IV The 5D Mark III brings significant improvements to both the photo and video aspect over its predecessor. There is a brand new 30.4 megapixel full-frame CMOS sensor with an ISO range of 100-32000, Dual Pixel CMOS AF with 61 AF points including 41 cross-type, 150,000 pixel RGB+IR metering, Dual Pixel RAW, in-camera digital lens optimizer for JPEG and diffraction correction. For video, you also get 4K video (up to 4096x2160) at 30fps and 4K...
Source: http://www.gsmarena.com/canon_announces_5d_mark_iv-news-20134.php