You are completely and unequivocally wrong on this one. Llano benefits very very heavily from each and every extra mhz in ram.
Do you work for AMD marketing department?
Only real benefit from this kind of higher speed ddr3 bus came for GPU but Llano is already doing that reordering/feeding job for GPU pretty lame. Not even mentioning Llanos VLIW5 architecture (AMD Sumo) used in its GPUs ain't nowhere that great in decent utilization of vast shader power it has. But aside of that, its gives up huge gains in RAW GFLOPS MARKETING NUMBERS.