The enormous die size of the RTX 5090's GB202 GPU has leaked and it is a sizeable double-digit increase over the RTX 4090. However, where the bump in die size might mean a big jump in CUDA core count and more performance, it doesn't bode well for the RTX 5090 price.https://www.notebookcheck.net/RTX-5090-price-shock-on-cards-as-monstrous-GB202-chip-is-allegedly-22-bigger-vs-AD102-GPU-of-RTX-4090.922479.0.html
The surprise is that it doesn't cost more.