This TV is connected to my computer (which has a GTX 1080). I used to have a 55 inch TCL but some pixels died and then the picture quality deteriorated. I decided to switch to Samsung. Not only is the picture better, but to my surprise, the sound quality is MUCH better. both on Samsung and other devices I've had. I'm running my computer at 4k (2160p) which gives me the same number of dots per screen as 4 x 1080p monitors. When using a 55" TV the actual dots displayed are only slightly larger than 4 x 24" monitors (which is good as the top corners are further away than a single 24" monitor). The video quality is excellent and the performance when using this monitor is excellent (especially if you are a programmer or write tutorials). I also use a TV with an Xbox One X and they work very well together with HDR.
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