If you aren't strictly bound to legacy hardware, the latest version—Geekbench 6—offers a robust free tier for personal use. It features completely updated workloads that accurately simulate modern applications, augmented reality tasks, and machine learning processes, making it far more relevant for modern PCs and smartphones. Open-Source and Free Benchmarking Tools

You typically need both the email address used for the purchase and the alphanumeric key (e.g., ABCDE-12345-FGHIJ ).

Download Geekbench 6 (Free or Pro).

praise its simplicity for testing overclocking (OC) results for RAM and CPU. Purchasing & Licensing Geekbench 3

: A free, industry-standard tool focusing heavily on CPU rendering performance.