Total War: ROME II System Requirements and Gameplay Video

Minimum

OS: XP/ Vista / Windows 7 / Windows 8
Processor:2 GHz Intel Dual Core processor / 2.6 GHz Intel Single Core processor
Memory:2GB RAM
Graphics:512 MB DirectX 9.0c compatible card (shader model 3, vertex texture fetch support).
DirectX®:9.0c
Hard Drive:35 GB HD space
Additional:Screen Resolution - 1024x768

Recommended:

OS:Windows 7 / Windows 8
Processor:2nd Generation Intel Core i5 processor (or greater)
Memory:4GB RAM
Graphics:1024 MB DirectX 11 compatible graphics card.
DirectX®:11
Hard Drive:35 GB HD space
Additional:Screen Resolution - 1920x1080