It would definitely look drastically different, although it's hard to say if they'd be closer to the full communism. In a vacuum we can say that Mao's slower development was definitely more equitable than going through Deng's reforms, but apply that to reality and a lot of geopolitical pressures end up steering things in a different way. Structurally they may have had a more socialist economy in terms of ownership, but their economy probably wouldn't be contending the USA like it is now. But there's a million possible outcomes to speculate about.