NVIDIA is expected to bring some healthy performance increases to the table later this year with its Ampere architecture. Rumour has it that the RTX 3090 could offer up to a 50% performance increase over the RTX 2080 Ti and may get close to 10,000 points in 3DMark Time Spy Extreme.
https://www.notebookcheck.net/The-NVIDIA-GeForce-RTX-3090-could-almost-hit-10-000-points-in-3DMark-Time-Spy-Extreme-with-performance-improvements-in-excess-of-50-over-the-RTX-2080-Ti.483654.0.html