Unfortunately, there is no such beast. For now, AMD does not match Intel's performance, particularly when you get to the i5 or i7. That said, it many applications (particularly games), the graphics card is more important to overall performance. Looking at the requirements for Oculus Rift, it would appear to me that the graphics card is more important; a GTX970 is required. I'd wait and see before arbitrarily upgrading until actual benchmarks are out.