Easily calculate CPU/GPU bottlenecks, get upgrade suggestions, and explore guides designed to improve your PC’s performance.
Try the Bottleneck CalculatorSelect your CPU & GPU from the dropdown.
Run the calculator to analyze performance.
Get recommendations and upgrade tips.
“Helped me choose the right GPU in seconds!” – Lucky, PC Gamer
“Finally upgraded without guessing. 5 stars!” – Arush, Editor
Welcome to Bottleneck Checker your all-in-one platform for analyzing and optimizing your PC's performance balance. This tool helps you identify performance mismatches, also known as “bottlenecks,” between your CPU and GPU. An imbalanced setup can limit your system’s potential, resulting in lag, frame drops, or inefficient hardware usage. By selecting your CPU and GPU above, you’ll instantly see whether your components are working in harmony or if one is holding back the other.
Beyond this calculator, our site hosts a set of educational resources that are growing every day. Visit the article,Why Your PC Bottlenecks,SSD vs NVMe: What You Should Actually Buy in 2025 and Best Budget CPUs for Gaming at Every Price Point pages to get a primer on bottlenecking.To keep up with the latest development on our plateform you can visit the Tech Insights and Learn More page.Visit the tips page for expert advice on testing and achieving optimal system performance. For hardware upgrade advice? Try out the suggestion tool to search for CPU/GPU combinations with low bottleneck.To build your own PC in a limited budget visit our Build By Budget page.To know more about who we are, go to ourAbout page. For questions and comments, send us a message via the Contact form. And please take a look at our Privacy Policy to know our procedures for handling data.