C T works with Ionizing Radiation Effect Where M R I works with the Non-Ionizing Radiation effect. IN C T we Can View Bone Soft Tissue and a Few Nerves. Whereas MRI we can View Bone Soft tissue and Nerves Clearly. MRI and CT both are methods of Imaging Organs of the Body, Basic Difference between both of them is that MRI will give you a clear view of the Soft Tissue of the Body organs, And CT is more preferably good for the Bone and Hard tissue.