Why my iPhone 5s takes sharp and detailed photo than my nikon d5200?

Why my iPhone 5s takes sharp and detailed photo than my nikon d5200?

Added (1). My iPhone 5s takes sharp and detailed image at 1/30 and ISO 200… But my nikon d5200 unable to take shape and detailed image at 1/300 and ISO 200 as my iPhone 5s

I phone is best known for their cameras

Because you know how to use your iPhone - you have to LEARN to use a DSLR.