I would like to ask if which laptop is better in gaming (JUST CASUAL GAMES)?

I would like to ask if which laptop is better in gaming (JUST CASUAL GAMES). Lenovo S400 Intel i3-3217u with Intel HD Graphics 4000, 4G DDR3 vs. Lenovo G400s Intel 2020M with Nvidia Geforce 720m, 2G DDR3. Thank you.
Note: Both are Touchscreens.
Please, If Possible support your answer.

The Lenovo G400s. It has dedicated graphics as opposed to the S400 which only has onboard graphics.