TheSims.com just revealed the recommended system requirements for The Sims 4!
REQUIRED: Internet connection required for product activation.
OS: 64 Bit Windows 7,8, or 8.1
PROCESSOR: Intel core i5 or faster
AMD Athlon X4
MEMORY: 4GB RAM
HARD DRIVE: At least 9 GB of free space with at least 1 GB additional space for custom content and saved games
DVD-ROM: DVD ROM drive required for installation only
VIDEO CARD: NVIDIA GTX 650 or better
SOUND CARD: DirectX 9.0c Compatible
DIRECTX: DirectX 9.0c compatible
INPUT: Keyboard and Mouse