How can make a comparative market analysis with the following properties?

Target Property - 2,100 sqft, 4bed, 3 bathrooms, garage, 7,800 sqft

Comp. 1 - 2,130 sqft, 4bed, 3 baths, 2 attached garage, 7,200 sqft

Comp. 2 - 3,201 sqft, 5 bed, 4 baths, 2 attached garage, 7,150 sqft

Comp. 3 - 2,904 sqft, 5 bed, 3 baths, 2 attached garage , 6,200 sqft