Domestic chip manufacturers Torch core technology, full Zhi, Ruixin Micro, which of these three is better?

Each has its own advantages, these three are relatively leading chip manufacturers in the country, I see a lot of media online Torch core reports and bias will be a little more, Torch core technology in the layout of the product line and product hierarchy layout are more comprehensive, Torch core technology in the new product form of follow-up speed is also obvious.