Slot for graphics card too big for motherboard, both say pcie x 16 slots

Okay, so I have the Asus rtx 2060 oc edition gpu and the Gigabyte aorus elite wifi motherboard

Both say they are pcie x 16 slotted and pcpartpicker claims they're compatible. The male socket on the graphics card seems much too wide to be inserted in the motherboards female socket. Very confused. Am I doing something wrong or are these parts actually not compatible??