How did the soviet union and china differ in terms of the revolutions that brought communists to power and in the construction of socialist societies?

After their respective revolutions, both China and Russia worked towards developing Socialist societies that worked for the poor.

Early Maoist thought was closely to aligned to Russian Marxism, but later on diverged towards a more 'peasants revolution' compared to Russia's 'workers revolution'

The Chinese Communism also lasted far longer than Russian communism , which experimented with a market based system early on.