The Ryzen 7 5800X3D is an enticing chip for gamers because AMD stacked on a pile of 3D V-cache, effectively greatly increasing the amount of L3 cache (to 96MB total). More L3 cache can have a measurable impact in gaming, as we showed in our Ryzen 7 5800X3D review. The downside is AMD also locked the CPU so that technically it can’t be overclocked.

Source: Hot Hardware – MSI Kombo Strike For Ryzen 7 5800X3D Shows Mixed Results In Early Benchmarks