NVIDIA themselves have shared performance slides for their imminent RTX 3090 graphics card, the new halo product that's been marketed as the new Titan. Previous-gen Titans have achieved extremely meager performance uplifts compared to NVIDIA's top-of-the-line cards (see RTX 2080 Ti vs RTX Titan, an average of 8% performance difference in favor of the Titan. According to the company, users should expect a slightly higher performance uplift this time around, though the 10-15% higher performance in 4K still seems meager - in pure price/performance terms - for the average consumer.
The average consumer who isn't the main focus for this graphics card and its gargantuan 24 GB of GDDR6X memory, anyway - this is more aimed at the semi-professional or professional crowds working with specialized software, whether it be in rendering or AI-based workloads. The RTX 3090 is thus not so much a product for the discerning computer enthusiast, but more of a halo product for gamers, and a crucial product for professionals and academics.