From the current display, xiaomi box, LeTV box, Tmall magic box, Tencent aurora box and other products have gradually not been updated and iterated, and the following is a simple elaboration for some TV boxes.

LeEco box u4
Advantages: Slim appearance is the focus of design, LeTV Focus Desktop, including home page carousel, is LeTV's unique system content; 4k/3d/Dolby content compilation; Super Sports has a strong voice in all boxes; voice function is widely applicable and easy to operate.
Disadvantages: not equipped with HDR; LeTV membership is more tangled; there are fewer interfaces.
Tmall Box 3 pro black version
Advantages: the appearance design is playful and cute, the process is solid, the interface is comprehensive, the ui design is simple and easy to understand, the control is simple, the performance is balanced, the 4k content is compiled, the function is rich, the voice function is strong, and the hdr+hlg is high.
Disadvantages: Content resources are not rich compared to the other two (fortunately, they can be expanded through the Dangbei market).
Xiaomi Mi Box 3s
Advantages: strong sense of appearance design, calm and extraordinary; patchwall puzzle wall system has distinct characteristics, functional guidance and interaction is convenient; touch remote control playability is high; content resource coverage is wide and comprehensive; hdr; excellent temperature control.
Disadvantages: Remote control mistaken touch is heart-wrenching; there are fewer interfaces; voice functions are more chicken.
Tencent Aurora Box f2
Advantages: The exterior design is very layered, and it is very harmonious with the TV. With cpe function, power-on with wifi, unplugged network cable also has network use, suitable for a variety of use scenarios. Simple operation, balanced performance, 4k/60 frame decoding, and rich function expansion.
Disadvantages: There is no HDR, the built-in wifi network speed is slightly slower than the plugged network cable.