I'm finding when using apps like Netflix and Amazon Prime on my TCL 55R615 with 4K content, the images don't POP or are as Amazing, as any non-4K contact from my XBOX or PS4. I'm finding that external devices plugged into the HDMI ports produce more vivid images then images from the built in apps from the smartTV. I'm wondering if the compression algorithms are just better on the consoles as they are more like PC's then the built in smartTV apps. The Roku 4K TV does not wow me. Anyone else find this to be true?