Below you can see the front-view size comparison of the Panasonic ZS70 and Kodak Astro AZ651. The Kodak Astro AZ651 is clearly the smaller of the two cameras. Its body is 112 mm narrower, 67 mm shorter and 41 mm thinner than the Panasonic ZS70.
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.