hello!

I make a RPG game, I'm crazy with framerate,all time is 14 when show a fews models, with fews polygons. In scene the camera view
from camera a player like a game plataform (like mario paper), when the models are not visibles for camera, the framerate is 15, only when the camera is back models the framerate is normal. what solucion?

PLEASE HELP

sorry for my ENGLISH