Truthfully, most people have a HUGE misconception of what a bottleneck is.. technically almost all systems are bottlenecked by the GPU. Yes, you do lose a little FPS because the IPC isnt 100% up to par with say Intel, but technically nothing is perfect and all high end systems are bottlenecked by the GPU as the GPU cant send enough frames to keep the CPUs fed. In some cases, the CPU is the bottleneck and cant process the frames the GPU sends. This is the only real issue in terms of performance loss and noticeable difference.
