Pick your processor and graphics card. For every game where reviewers have actually measured both parts, you get the measured verdict per resolution — which part limits you, and the frame-rate range to expect. Games without measurements for your parts say so plainly; we never fill gaps with estimates.
Most of them estimate frame rates from a benchmark score. Ours come from published review measurements of the actual parts in the actual game — the range is the spread across reviewers, and every game page names its sources. Fewer games, real numbers.