Canon SX30 IS has a
14.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor and features Digic 4 processor. On the other hand, Casio TRYX has a
12.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized BSI-CMOS sensor and features Exilim Engine HS processor.
Below you can see the SX30 IS and TRYX sensor size comparison.
Canon SX30 IS and Casio TRYX have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture.