Samsung Digimax A55W vs Sony Cyber-shot DSC-W30 camera ratings
Screen size at Samsung Digimax A55W is quite larger with its 2.5" than Sony Cyber-shot DSC-W30 with its 2".
Sony Cyber-shot DSC-W30 is able to produce nicer pictures since it has 6 megapixel picture quality, comparing to 5 megapixels at Samsung Digimax A55W.
Optical zoom at Samsung Digimax A55W is 4.8x. Optical zoom at Sony Cyber-shot DSC-W30 is 3x (which is somewhat lower).