Describe one similarity and one difference between the functions of a three chambered heart and knows of a four chambered heart

In 3 chambered heart, there are 2 auricles and 1 ventricle.

In 4 chambered heart, there are 2 auricles and 2 ventricles.

Similarity:

There are 2 auricles in both a 3 chambered heart and a four chambered heart.

Difference:

Both hearts have a different number of ventricles.