As compared to Cow's milk, Human milk has:

Human milk contains higher quantities of Lactose Iron water Vit- A, C Cysteine, Taurine Linoleic acid, lenolenic acid, PUFA Casein: whey ratio Cow milk contain high quantities of Energy Proteins Fats Vit-B, D Na+, K+ Methionine Casein: whey ratio Hence, Comparative contents of nutrients given: Protein : Cow > Human Lactose : Human > Cow Iron :Human > Cow Vitamin :Human > Cow