PC Bottleneck Calculator PC Bottleneck Calculator The PC Bottleneck Calculator is a professional hardware performance testing tool that helps users quickly identify computer performance bottlenecks and provides optimal optimization solutions. Start Calculating Your PC Bottleneck CPU Select your CPU model Intel Core i9-12900K Intel Core i7-12700K AMD Ryzen 9 5950X GPU Select your GPU model NVIDIA GeForce RTX 3090 NVIDIA GeForce RTX 3080 AMD Radeon RX 6900 XT