A ver si con esto te ayuda... Resoluciones nativas de algunos juegos en Ps3 y X360. Los títulos que no aparecen ahí se presuponen a 720p, sin AA. Desea saber más!?
Beyond3d. Playstation 3
Alone in the Dark = 1120x630 (no AA)
Army of Two = 1280x720 (no AA)
Assassin's Creed = 1280x720 (QAA)
Battlefield: Bad Company = 1280x720 (no AA)
Beijing 2008 = 1024x768 (no AA)
Beowulf = 1280x720 (no AA)
Bioshock = 680p (no AA, blur filter)
Burnout: Paradise = 1280x720 (2xAA)
Call of Duty 3 (screenshot) ~1088x624 (2xAA)
Call of Duty 4 = 1024x600 (2x AA)
Call of Duty: World at War = 1024x600 (2x AA)
Cars Mater-National = 1280x720 (QAA), 1920x1080 (QAA)
Conan (demo) = 1024x576 (no AA)
Condemned 2 = 1280x720 (no AA)
Conflict: Denied Ops = 1280x720 (no AA) or 960x1080
Dark Sector = 1152x640 (no AA)
Dead Space = 1280x720 (no AA)
Def Jam Icon (screenshot) = 1152x648 (no AA)
Devil May Cry 4 = 1280x720 (2xAA, temporal)
Elder Scrolls IV: Oblivion = 1280x720 (no AA)
FaceBreaker = 1280x720 (QAA), 960x1080
Fallout 3 = 1280x720 (no AA)
Far Cry 2 = 1274x692 (QAA, centered on 720p window)
Fifa Street 3 = 1920x1080 (no AA)
Full Auto 2 (demo) = 1920x1080 (4x AA)
Fracture = 1152x648 (no AA)
Ghost Recon: Advanced Warfighter 2 = 1280x720
Golden Compass = 1280x720 (no AA)
Grand Theft Auto IV = 1152x640 (no AA)
GT5 Prologue (demo) = 1080p mode is 1280x1080 (2xAA) in-game while the garage/pit/showrooms are 1920x1080 with no AA. 720p mode is 1280x720 (4xAA)
Guitar Hero 3 = 1040x585 (no AA)
Guitar Hero Aerosmith = 1040x585 (no AA)
Guitar Hero World Tour = 1040x585 (no AA)
Haze (demo) = 1024x576 (2xAA)
Heavenly Sword = 1280x720 (4xAA)
Incredible Hulk = 1280x720 (no AA), 960x1080 (no AA)
Jericho (demo) = 996x560 (2x AA)
Juiced 2: Hot Import Nights = 1280x720 (QAA)
Kung Fu Panda = 1280x720 (no AA), 960x1080 (no AA)
Lair = 800x1080 (2xAA) - AA buffers are merged to produce 1600x1080 for further scaling
LEGO: Indiana Jones = 1280x720 (no AA), 960x1080 (no AA)
Lost Planet = 1280x720 (temporal 2xAA)
Madden NFL '09 = 1280x720 (no AA)
Marvel: Ultimate Alliance (screenshot) = 1920x1080 (no AA)
Mercenaries 2: World in Flames = 1280x720 (no AA)
Metal Gear Online = 1024x768 (2xAA, temporal)
Metal Gear Solid 4: Guns of the Patriot = 1024x768 (2xAA, temporal)
Midnight Club: Los Angeles = 960x720 (QAA)
Mirror's Edge = 1280x720 (no AA)
MLB08: The Show = 1280x720 (2xAA) - The rendering window is adjustable down to 576p without upscaling to 720p i.e. the frame has black borders
Motorstorm = 1280x720 (2xAA)
MX vs ATV (demo) = 1024x576 (no AA)
NBA07 (demo) = 1920x1080 (no AA)
NBA08 (demo) = 1920x1080 (no AA)
NBA Live '08 = 1280x720 (no AA)
NBA Street Home court (screenshot) = 1920x1080 (no AA)
NFL Tour = 1280x720 (no AA, poor framerate)
NHL '09 = 1280x720 (4xAA)
Ninja Gaiden: Sigma = 1280x720 (has weird scaling to support 1080p)
Overlord = 1280x720 (no AA)
Pirates des Caraibes (screenshot) = 768x1080 (no AA)
960x720 en mode 720p
Pro Evolution Soccer 2008 = 1280x720 (QAA)
Quake Wars: Enemy Territory = 1280x720 (no AA)
Race Driver: GRID = 1280x720 (2xAA)
Rainbow Six Vegas 2 = 1280x720 (2xAA)
Ratchet & Clank: Tools of Destruction = 1280x704 (2xAA, centered on 720p output)
Resistance: Fall of Man = 1280x720 (QAA)
Ridge Racer 7 (demo) = 1920x1080 (no AA)
SEGA: Rally Revo = 1280x720 (4xAA, alpha blend)
SEGA: Superstars Tennis = 1280x720 (QAA, 30fps)
Skate = 1280x720 (no AA)
Soldier of Fortune: Payback = 1280x720 (no AA)
Soul Calibur IV = 1280x720 (no AA), 1280x576 in 1080p mode
Spiderman: Web of Shadows = 1280x720 (no AA)
Star Wars: The Force Unleashed = 1280x720 (no AA)
The Darkness (demo) = 1024x576 (no AA)
The Bourne Conspiracy (demo) = 1280x720 (no AA)
Tiger Woods PGA Tour '09 = 1280x720 (no AA)
Tomb Raider: Underworld = 1280x720 (QAA)
Tony Hawk's Project 8 = 1280x720
Tony Hawk's Proving Ground (demo) = 1024x576 (no AA)
Top Spin 3 = 1280x720 (QAA)
Transformers (screenshot) = 960x1080 (no AA)
Turning Point: Fall of Liberty = 1280x720 (no AA)
Turok = 1280x720 (no AA)
Viking: Battle for Asgard = 960x720 (2xAA) - AA buffers are merged to a 1920x720 framebuffer, which is then downscaled to 1280x720
Virtua Fighter 5 (screenshot) = 1024x1024 (no AA)
1024x768 en mode 1080p
Virtua Tennis 3 (demo) = 1920x1080 (2x AA)
WWE 08 (screenshot) = ? 640x720 ? (2x AA) - les edges ont l'aparence du 1280x720 mais d'apres certain artefact il semble que ce soit le resultat de la fusion de 2 buffers MSAA 640x720
translation StefanS: "The edges give the impression of being 1280x720p, but because of a certain artifact it seems that it is the result of the fusion of 2 MSAA buffers of resolution 640x720"
UEFA Euro 2008 = 1280x720 (no AA)
Uncharted: Drake's Fortune = 1280x720 (2xAA)
Unreal Tournament III = 1280x720 (no AA)
WALL E = 1280x720 (no AA)
World Series Of Poker 2008 = 1920x1080 (2xAA)
PSN GAMES
1942: Joint Strike = 1280x720 (4xAA) or 1920x1080 (2xAA)
Blast Factor = 1920x1080 (no AA)
Bionic Commando: Rearmed = 1280x720 (no AA)
Calling All Cars (screenshot) = 1920x1080 (4x AA)
Commando 3 = 1280x720 (4xAA) or 1920x1080 (2xAA)
Echochrome = 1920x1080 (2xAA)
Elefunk = 1920x1080 (4xAA)
Forbidden Siren = 1024x512 (4xAA)
Go Puzzle = 1920x1080
GTHD = 1440x1080 (no AA) - Vehicle selection is rendered at 1920x1080
High Velocity Bowling = 1920x1080 (no AA)
Locoroco Cocoreccho = 1920x1080 (2x AA)
Mainichi Issyo = 1440x1080 (4xAA)
Pixel Junk Monsters/Racers/Eden = 1920x1080
Rocketmen = 1920x1080 (2xAA)
Rub'a'dub = 1600x1080 (no AA)
Snakeball = 1280x1080 (no AA)
Stardust HD = 1280x1080 (no AA)
Sudoku = 1920x1080
Super Rub-a-Dub = 1600x1080
Tekken 5 Dark Ressurection (screenshot) = 1920x1080 (no AA)
Warhawk = 1280x720 (4xAA)
Wipeout HD = dynamic-framerate-dependent 1080p framebuffer (1280x1080 to 1920x1080)
Wolf of the Battlefield: Commando 3 = 1920x1080 (2xAA)
Xbox 360
Alone in the Dark = 1040x600 (2xAA)
Army of Two = 1280x720 (2xAA)
Assassin's Creed = 1280x720 (2xAA)
Banjo Kazooie: Nuts and Bolts = 1280x720 (2xAA)
Battlefield: Bad Company = 1280x720 (no AA)
Beijing 2008 = 1280x720 (2xAA)
Beowulf = 1280x720 (4xAA)
Bioshock = 1280x720 (no AA)
Burnout: Paradise = 1280x720 (2xAA)
Call of Duty 3 (screenshot) = 1040x624 (2xAA)
Call of Duty 4 (screenshot) = 1024x600 (2xAA)
Call of Duty: World at War = 1024x600 (2x AA)
Cars Mater-National = 1280x720 (4xAA)
Conan (demo) = 1024x576 (no AA)
Condemned 2 = 1280x720 (2xAA)
Conflict: Denied Ops (demo) = 1280x720p (2xAA)
Crash Time = 1280x720 (2xAA)
Dark Sector = 1280x720 (no AA)
Dead or Alive 4 = 1280x720 (2xAA)
Dead Rising = 1280x720 ( up to 4xAA depending on frame rate)
Dead Space = 1280x720 (no AA)
Devil May Cry 4 = 1280x720 (2xAA)
Don King Prizefighter = 1024x630 (2xAA)
Elder Scrolls IV: Oblivion = 1024x600 (2xAA) - Same for GOTY Edition!
Fallout 3 = 1280x720 (4xAA, certain edges)
Far Cry 2 = 1280x696 (2xAA, centered on 720p window)
F.E.A.R. = 1280x720 (2xAA)
FaceBreaker = 1280x720 (4xAA)
Fifa 2006 (demo) = 1024x576 (2xAA)
Fifa 2007 (demo) = 1200x675 (no AA)
Fifa Street 3 = 1920x1080 (4xAA)
Fracture = 1280x720 (no AA)
Forza 2 = 1280x720 (2xAA in-game, 4xAA replay & vehicle select)
Gears of War = 1280x720 (HD), 960x720 (SD) (2xAA on static objects?)
Ghost Recon: Advanced Warfighter 2 = 1280x720 (2xAA)
Golden Compass = 1280x720 (2xAA)
Grand Theft Auto IV = 1280x720 (2xAA)
Guitar Hero 3 = 1280x720 (no AA)
Guitar Hero Aerosmith = 1280x720 (no AA)
Guitar Hero World Tour = 1280x720 (no AA)
Halo 3 = 1152x640 (no AA)
Incredible Hulk = 1280x720 (full screen blur)
Juiced 2: Hot Import Nights = 1280x720 (2xAA)
Kung Fu Panda = 1280x720 (no AA)
LEGO: Indiana Jones = 1280x720 (2xAA)
Lost Planet = 1280x720 (up to 4x MSAA dependent on framerate)
Madden NFL '09 = 1280x720 (no AA)
Mass Effect = 1280x720 (2xAA, certain edges are unaffected)
Mercenaries 2: World in Flames = 1280x720 (no MSAA, but depth/Z-based edge blur?)
Midnight Club: Los Angeles = 1280x720 (2xAA?)
Mirror's Edge = 1280x720 (2xAA)
MotoGP 2006 (screenshot) = 1280x1024 (framebuffer grab from AVS Forum member)
MX vs ATV = 1280x720 (no AA)
NBA Live '08 = 1280x720 (4xAA)
NBA Street Home court (demo) = 1920x1080 (4xAA)
NCAA Football 08 (demo) = 1024x600 (2xAA)
NFL Tour = 1280x720 (4xAA, 60fps)
NHL '09 = 1280x720 (4xAA)
Ninja Gaiden 2 = 1120x585 (2xAA)
Overlord = 1280x720 (2xAA)
Perfect Dark Zero (demo) = 1152x640 (no AA)
Pro Evolution Soccer 6 (demo) = 1024x576 (2xAA)
Pro Evolution Soccer 2008 = 1280x720 (4xAA)
Project Gotham Racing 3 (demo) = 1024x600 (2xAA)
Project Gotham Racing 4 = 1280x720 (2xAA)
Quake 4 = 1280x720 (no AA)
Quake Wars: Enemy Territory = 1280x720 (2xAA + blur)
Race Driver: GRID = 1280x720 (4xAA)
Rainbow Six Vegas 2 = 1280x720 (2xAA)
Ridge Racer 6 (demo) = 1440x810 (no AA)
SEGA: Rally Revo = 1280x720 (4xAA, alpha to coverage)
SEGA: Superstars Tennis = 1280x720 (2xAA, 30fps)
Skate = 1280x720 (2xAA ? )
Soldier of Fortune: Payback = 1280x720 (4xAA ?)
Soul Calibur IV = 1365x960 (no AA, software scaled to 720p)
Spiderman: Web of Shadows = 1280x720 (4xAA)
Splinter Cell Double Agent = 1280x720 (4xAA) (developer)
Star Wars: The Force Unleashed = 1280x720 (no AA)
The Club = 1280x720 (4xAA)
Tiger Woods PGA Tour '09 = 1280x720 (no AA)
Tomb Raider Legend = 1024x600 (2xAA)
Tomb Raider Underworld = 1024x576 (2xAA) - depth buffer is 1040x576
Tony Hawk's Project 8 (screenshot) = 1040x585 (2xAA)
Tony Hawk's Proving Ground = 1280x720
Top Spin 3 = 1280x720 (2xAA)
Turning Point: Fall of Liberty = 1280x720 (no AA)
Turok = 1280x720 (no AA)
UEFA Euro 2008 = 1280x720 (2xAA)
Unreal Tournament III = 1280x720 (no AA)
Virtua Fighter 5 (demo) = 1024x1024 (4xAA)
Virtua Tennis 3 (demo) = 1920x1080 (2xAA)
WALL E = 1280x720 (2xAA)
XBL GAMES
1942: Joint Strike = 1280x720 (4xAA)
Bionic Commando: Rearmed = 1280x720 (no AA)
Boogie Bunnies = 1920x1080 (4xAA)
Commando 3 = 1280x720 (4xAA)
Ikaruga = 540x720 (4xAA, centered on 1280x720 frame)
Rez HD = 1280x720 (4xAA)
Wolf of the Battlefield: Commando 3 = 1280x720 (4xAA)
Coño! Me acabo de dar cuenta que la versión de Bioshock Ps3, han reducido la resolución nativa con respecto a la de X360
Bioshock Ps3 = 680p (no AA, blur filter)
Bioshock X360 = 1280x720 (no AA)