Kodak Astro Zoom AZ651 has a 21.0MP 1/2.3 (6.17 x 4.55 mm ) sized CMOS sensor . On the other hand, Sony H400 has a 20.0MP 1/2.3" (6.17 x 4.55 mm ) sized CCD sensor and features Bionz(R) processor.
Below you can see the Astro Zoom AZ651 and H400 sensor size comparison.
Kodak Astro Zoom AZ651 and Sony H400 have sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.