Neither one of these is really designed for offroad. They are much better suited for a parking lot or another other paved surface. But if you insist, the TT01 with 4WD, larger tires and higher ride height will do better.
Just remember there's several other things you need to buy to make this Tamiya TT01 work. You need a servo, battery, transmitter and receiver. And don't forget you also need a battery charger.