YouTube channel without hardware tested Full HD (in 12 modern games) Ryzen processor 7 7800x3D and 9800x3D.

The inspection base includes the AMD Ryzen 7 9800x3D/7800x3D processor, MSI MSI MSI MSI MPG X870E Carbon Wifi, G.Skill Trident Z5 RGB DDR5-6000 Cl30 T-Force Cardea Z44Q 4, Windows 11 24h2, Nvidia 581.29.
In total, the processor in 12 games was compared. Among them are rivals of Marvel, Rainbow Six Siege X, Assassin's Creed Shadows, Horizon Zero Dawn, Cyberpunk 2077, Warhammer 40,000 Space Marine II, Last of US Part I Remastered, Marvel's Spider Man 2, Mafia
Therefore, for example, in the rivals of Marvel in 1080 rubles with average settings and Ultra 9800x3D is only 1%faster. In Rainbow Six Siege, this difference is 5%, at Horizon Zero Dawn-10-11%.

© Hardware without boxes

© Hardware without boxes
You can get acquainted with all the measurements on the video below.
Conclusion
On average, the difference in fulll HD between 9800x3D and 7800x3D is only 8%. This trend is stored both with maximum graphics settings and with an average level. Therefore, if you can buy 7800x3D right now, do that.