Michigan State has 2 men's basketball national championships and Michigan has 1.
Michigan state has only won two national basketball championships. the first one was in 1979, and the last one was in 2000 with Mateen Cleaves and Morris Petersons. They were dubbed as the Flinstones.
The Michigan Wolverines have more National Championships with 11. The Michigan State Spartans have six.
Michigan has never won, they have only made it to the natinal championship game. Michigan State won in 1979 and 2000
MSU's football team has won or shared three national championships in 1952, 1965, and 1966. Its men's basketball team won the NCAA National Championship in 1979 and 2000.In total, 39 National Championships have been won by Michigan State Varsity and Club teams.
Michigan State has more value because Michigan is overrated.
Michigan State has 2 consensus national championships in 1952 & 1965. Michigan State has 6 total football national championships as voted on by other services: 1951, 1952, 1955, 1957, 1965 and 1966.
I don't know the complete list, but I do know that Michigan State was the first D-1 university to win two championships in both basketball and football. Florida is another one.