Samsung Digimax L55W vs Sony Cyber-shot DSC-W100 digital camera comparison
It is preferable more 2.8" screen size on Samsung Digimax L55W than 2.5" screen size on Sony Cyber-shot DSC-W100.
Sony Cyber-shot DSC-W100 has 8.1Mpix picture detail and that is more details than picture at Samsung Digimax L55W camera which has 5Mpix.
Optical zoom at Samsung Digimax L55W is 4.8x. Optical zoom at Sony Cyber-shot DSC-W100 is 3x (which is somewhat lower).