One of the more fun takes on the dual-cam concept, the G5's normal/ultra-wide setup was easily the best bit about LG's last year flagship (after the modular concept got scrapped). The brand new LG G6 is taking the concept even further by improving the ultra-wide angle one. Instead of a 16MP/8MP setup, the two cameras on the G6 are now equipped with identical sensors - the 13MP Sony IMX258 Type 1/3.06" imager with 1.12ยต pixels. Once again we have two quite different lenses - one is an ultra wide-angle one with f/2.4 aperture and 125-degree coverage, the other is an f/1.8...
Source: http://www.gsmarena.com/lg_g6_vs_lg_g5_quadcam_comparo-news-23636.php