Apple is reportedly considering a return to the 4-inch display with the launch of an iPhone 6s Mini. Additionally, the company is on track for the launch of a larger, 12.9-inch iPad.
Apple has started selling a new 27-inch LG UltraFine 5K Display in its online store after stopping sales of the previous 27-inch model earlier this year.
More evidence points towards the 4.7-inch iPhone 6 packing a 1334 x 750 resolution display with 326 pixels per inch, the same PPI as current retina iPhones
Apple will reportedly ship a Retina display model of its 27-inch iMac before the end of this year; however, a new 21-inch model won't be released until next year.