The term bottleneck in a computer is derived from the physical object it references and the phenomenon of slowness it creates.
If your PC doesn’t deliver the desired performance in a particular game, it’s usually—but not always—due to two limiting factors. Either your processor (CPU) or your graphics card (GPU) is ...
XDA Developers on MSN

How to match your CPU and GPU

Matching compatible PC components such as a motherboard and processor is crucial as you'll encounter instability issues or ...