Comparing N5K and N7K - a very high level key features comparison

5K
- A-FEX
- VM-FEX
- FC
- Unified Ports
- EvPC

7K
- OTV
- LISP
- MPLS
- VDC

Both of them support FabricPath (N7K F1 and F2 cards), vPC, L3, FEX, etc