Comcast glazed over its poor third quarter performance with news that X1 subscribers can now watch 1,200 hours of Netflix content in 4K UHD after launching its first 4K-capable DVR earlier this year. This new viewing experience will reach 125,000 less households compared to the previous quarter, as the Comcast subscriber balance continues to tip away from TV towards broadband. The latest losses leaves Comcast with 22.4 million pay TV subscribers, 21.34 million of which are residential, performing worse even than Charter which posted a quarterly decline of 104,000 subscribers – quadruple some analyst expectations. Comcast’s biggest loss of cable TV customers for three years, accelerating from a 34,000 sub loss in Q2, was accompanied by unhealthy revenues at NBCUniversal,…