The Note 2 doesn't suffer from the Pentile pattern (which is only really visible when you magnify the images) or the the slight greenish or bluish cast of the S3. (oled-info.com)
Both screens are about as bright, but the Xoom's screen had a cooler, bluish cast compared to the iPad's warmer, yellowish tones. (laptopmag.com)
I also thought that images had a slightly bluish cast. (computerworld.com)