Aqui funcionou beleza na 560 Ti, mas o jogo tá pesado pra poh4 rodou 20fps tudo no máximo aqui =
Dá uma olhada nos requisitos do Alpha:
MINIMUM REQUIRED SYSTEM SPECIFICATIONS:
? OS: Windows Vista, Windows 7 or Windows 8
? CPU: Intel Core 2 Duo 2.4 GHz or better
? RAM: 2.0 Gb (3.0 Gb on Vista)
? Hard Drive: 3.5 Gb or more of free space
? Video: Directx 11 compatible video card, NVIDIA GTS 450 / AMD Radeon 5770
? Sound: DirectX 11 compatible sound card
Multiplayer:
? 2 to 16 players Internet connection required (256Kbps Cable, DSL,
or faster connection)
Notes:
? The Crysis 3 Alpha Trial requires a full installation of the
above Operating Systems including all available Windows Updates to
guarantee a successful launch.
? While you will be able to play the Crysis 3 Alpha Trial with the
specifications above, play experience may improve if you have
additional RAM, a faster CPU or a better graphic card.
Acho que só com placa DX11 mesmo