No, you don't need a GPU at all. It helps, of course, but it not necessary. I don't remember the specs of the computer we used, but to give you an idea we give

No, you don't need a GPU at all. It helps, of course, but it not necessary. I don't remember the specs of the computer we used, but to give you an idea we give all the training data to undergrad students in the machine learning class (https://www.kaggle.com/c/mac0460-self-driving https://www.kaggle.com/c/mac0460-self-driving) they achieved good results with their personal laptop.