Walmart has the TCL 55" 4K HDR LED UHD Roku Smart TV (55R615) for $430 with free shipping. List price: $650. Features 2160p Ultra HD resolution with 4K upscaling, content streaming via Roku TV (Netflix, Youtube, Hulu Plus, more), USB, 3 HDMI inputs.
Walmart has the Sony XBR55X800G 55" 4K HDR Smart LED TV (2019) for $498 with free shipping. List price: $898. Features Android TV OS (with access to Netflix, Hulu, YouTube, more), HDR10 and HLG support, 3840x2160 (4K) native resolution, 4 HDMI ports; USB.