So does it take more battery to render several small video feeds versus one large one? If I'm on a call with a bunch of people, does "speaker mode" take less ba

So does it take more battery to render several small video feeds versus one large one? If I'm on a call with a bunch of people, does "speaker mode" take less battery than "gallery mode"? Somehow I doubt it would be noticeable, if the effect exists at all.