To provide photographers with a broader perspective about mobiles, lenses and cameras, here are links to articles, reviews, and analyses of photographic equipment produced by DxOMark, renown websites, magazines or blogs.
Data for the Pentax K-x available.
Data for the Olympus E450 and E620 available.
Data for the Canon EOS 1DMark IV and Nikon D3s available.
Read the DxOMark review comparing Canon 1DMkIV and Nikon D3s sensors.