(Telecompaper) Apple has unveiled the 27-inch iMac with Retina 5K display, featuring the world's highest resolution display with 14.7 million pixels. With a resolution of 5120 x 2880, iMac with Retina 5K display has four times more pixels than the standard 27-inch iMac and 67 percent more pixels than a 4K display. iMac with Retina 5K display begins shipping on 16 October with 3.5 GHz quad-core Intel Core i5 with Turbo Boost speeds up to 3.9 GHz, AMD Radeon R9 M290X graphics and a 1TB Fusion Drive for a suggested retail price of USD 2,499.