In this documentary, Dr. Michael Parenti defines fascism, describes its characteristics, and explains the role fascism plays in serving the rational interest...
Capitalism - an economic system characterized by private or corporate ownership of capital goods, by investments that are determined by private decision, and by prices, production, and the distribution of goods that are determined mainly by competition in a free market.
Also from Merriam Webster:
Capitalism - an economic system characterized by private or corporate ownership of capital goods, by investments that are determined by private decision, and by prices, production, and the distribution of goods that are determined mainly by competition in a free market.
Clearly these are incompatible