Compare prices on Panasonic Viera THCXZ TVs. The Premium 4K TV with New Smart Platform. As well as reinforcing its 4K resolution with "HEXA Chroma Drive" and bright panel, this TV's easy-to-use functions makes it great at reaching various kinds of contents with intuitive operation. 4K Ultra HD. Panasonic Viera UHD TV review: good hardware, fragmented software. Great picture quality let down by bipolar software, leaving this TV.