Samsung Digimax S500 vs Canon PowerShot S3 IS camera reviews
We think that Digimax S500 has better screen with its 2.4" screen size than PowerShot S3 IS with its 2" large screen.
Canon PowerShot S3 IS has 6Mpix picture detail and that is more details than picture at Samsung Digimax S500 camera which has 5.1Mpix.
Optical zoom at Canon PowerShot S3 IS is 12x. Optical zoom at Samsung Digimax S500 is 3x (which is lower).