This year's LG CX is basically the same as the C9, except with a little more bells and whistles. There were a couple of additional picture modes, as well as a new a9 Gen 3 processor to boost picture performance and Nvidia G-Sync. The main determining factors between the LG and Sony was the LG is a little brighter, plus the LG supports HDMI 2.1 . More @Wikipedia
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