Is it worth it? Depends on what games you play and what your budget is. Here's Hardware Unboxed response to that question.
https://www.youtube.com/watch?v=TMsL4Uv_xeY
The X3D chips performance increase over the 7700X/9700X averages just under 10% at 1440p. Is it worth it to you to pay 30-40% more money to get up to 10% more gaming performance?
https://www.techpowerup.com/review/amd-ryzen-7-9800x3d/19.html
Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT
Ryzen R7 5700G | B550 Gaming X | 2x8GB G.Skill 4000 | Radeon Vega 8 IGP
Ryzen R5 5600 | B550 Gaming Edge | 4x8GB G.Skill 3600 | Radeon RX 6800XT