А может потому что сама консоль не тянет 1080р?
Cars Mater-National = 1280x720 (QAA), 1920x1080 (QAA)
Fifa Street 3 = 1920x1080 (no AA)
God of War: Origins Collection = 1280x720 or 1920x1080 (no AA), 3D is 1280x720
God of War Collection Volume II = 1280x720 or 1920x1080 (no AA)
Ico = 1280x720 or 1920x1080 (MLAA)
Marvel: Ultimate Alliance = 1280x720 & 1920x1080 (no AA)
Virtua Tennis 3 = 1920x1080 (2x AA)
Wolf of the Battlefield: Commando 3 = 1920x1080 (2xAA)
Tekken 5 Dark Resurrection (screenshot) = 1920x1080 (no AA), not always?
Fat Princess = 1920x1080 (no AA)