Mitosis occurs in all cells, Meiosis occurs only in cells of the germline. 

Mitosis results in two diploid cells, meiosis results in four haploid cells. 

Mitosis: homologous chromosomes do not pair. 
Meiosis: homologous chromosomes pair up. 

Mitosis: crossing over does not occur. 
Meiosis: crossing over occurs at points called chiasmata.