Bigger roots, bigger fruit for sure Hot Diggedy Dog....
Small pots constrict potential growth.
Lighting, space, nutes and type of soil also matter, as well as other environmental conditions that need to be satisfied; such as fresh air and humidity controls. The longer the veg cycle you give it with proper upkeep, the bigger the plant can potentially become.
Smart Pots provide best drainage and aeration for soil grows.
If you have the room, go with at least a 7 gallon pot. Im workin on 10 to 15's minimum.