It is hard to compare 2 totally different art styles in a game. Which one though leaves you thinkin' "wow, beautiful"... definitely Uncharted and it maintains it through out the whole game. Gears is just, how can I put it for a better word, cooler.
Playing and finishing games first>>>>>>>>>>Then talking!
Opinions are subjective and just like moods, can change.
TOP 12: Deus Ex, Shadow Man, Castlevania: Symphony of the Night, Shin Megami Tensei: Nocturn, Castlevania: Lords of Shadow, Metroid Prime, Zelda (series), Uncharted (series), FF Tactics, Persona (series), Demons Souls, Vagrant Story.
MOST WANTED: Deus Ex: Human Revolution, The Last Guardian, ICO/Shadow OTC HD