Major players on the front of the logic board include:

NVIDIA GeForce GT 650M GPU

Intel Core-i7 3720QM 2.6 GHz processor (Turbo Boost up to 3.6 GHz) with Intel Graphics HD 4000.

What appears to be an Intel E208B284 Platform Controller Hub

Hynix H5TC2G83CFR DDR3L SDRAM

Intel DSL3510L Thunderbolt controller