Millet TV 240-inch, 49-inch, 55-inch configuration What is the difference?

49-inch TV 2 using millet LG / Huaxing Electric 49-inch 4K Ultra HD 3D panel with a resolution of up to 2 3840x2160.49 inch TV equipped with MStar millet quad-core 1.45GHzCPU, Mali450-MP4 graphics processor, built-in 2GB + 8GB storage, with 801.11ac 2x2 antenna, three times faster, supports USB 3.0, at speeds up to 5Gbps. And is also equipped with the world's first low-power Bluetooth standard remote control, using an independent program millet stereo speakers.

Two 55-inch TV with Samsung's millet RGB tricolor true 4K panel, resolution 3840 × 2160 pixels, no 3D display. Two 55-inch TVs equipped with MStar 6A928 millet TV chip, world premiere, supports playback of 4K H265 decoding, support for USB 3.0, HDMI 2.0,2 with a separate sound system, 8 speakers Soundbar, the new "trash can" shape aluminum subwoofer.