17"- 860m vs 13"- 960m

Hi guys, i'm just curious. Regards other specs, i'ts just a CPU/GPU comparison.
What do you think is better?

Aw 17 R1 (like mine in signature)
CPU: i7-4710MQ
GPU 860m

or

Aw 13
CPU: i7-5500U
GPU: 960m