Millet TV 4 and millet TV 4A who is better? What are the differences?

On May 18, Xiaomi's 2017 flagship TV conference was held in Beijing! In this conference, Xiaomi TV released a flagship new product with both value and content! This is the long-awaited millet TV4. The conference released a total of three models of millet TV 4, respectively for the millet TV 4 49-inch / 55-inch / 65-inch version. Millet TV 4 as the flagship TV of the year, must be equipped with flagship performance: Amlogic 64-bit flagship processor, 2GB + 8GB of large memory, so that your TV has a general feeling of flying, artificial intelligence, voice TV and then upgrade, open voice to third-party developers Capacity, 8 small millet ecological chain products have been connected to millet TV. Of course, its biggest highlight is the ultra-thin screen, 4.9mm thickness, when the entire border disappears, the moment the screen is lit, as if the entire world is in front of you. In terms of price, Xiaomi TV 4 55 inches version 3999 yuan, 49 inches version 3499 yuan. May 18 omni-channel booking or pre-sale, June 1 on sale. The finale of the press conference today was the launch of the 4th 65-inch Dolby Sound Home Theater in the country. It is equipped with a 10-speaker Soundbar, with sounds in all directions; wireless surround back speakers, easy to install without wiring; overweight subwoofer gives you a theater-like audio-visual feast. Milli TV 4 65-inch version specifically designed two up-reflecting speakers, using the upward reflection technology to reflect through the ceiling, to achieve roof speaker effect, and free wiring. Such a shocking voice could only be heard in high-end theaters. Now Xiaomi TV 4 is determined to turn each living room into a high-end cinema. Millet TV 4 4.9mm ultra-thin 65-inch flagship TV + Dolby Panorama sound 5.1.2 Home Theater + 1494 yuan worth of millet TV members (3 years), the overall price of 9999 yuan! And since the beginning of today, Xiaomi TV members have been upgraded to Xiaomi TV Elite Members for free. From then on, they are more enjoyable. Millet TV very clear content: 1 resolution 2560 x 1440, much higher than Blu-ray and DVD; 2 is expected to go online at the end of the nearly 1000; 3 first use of Thunder Star CDN speed HD technology; 4 player special smooth, 24M high rate, 0.1% Caton rate. Such a powerful millet TV 4 only needs to install a sofa butler and expand the function of watching live TV, so it truly becomes a powerful and comprehensive smart TV.