Apple apparently had big plans, including ray tracing support, for the A16 Bionic's GPU in the iPhone 14 Pro but had to revert to a design based on the previous A15 Bionic. This was due to a major power consumption flaw discovered late in the SoC's development cycle. Such a setback is unheard of in the company's SoC team and is being attributed to several layoffs and lawsuits that the group in currently contending with.https://www.notebookcheck.net/iPhone-14-Pro-s-A16-Bionic-faced-unprecedented-snafu-in-Apple-history-leading-to-removal-of-ray-tracing-and-other-ambitious-GPU-generational-leaps.676548.0.html
Why don't they use transistors to on/off crucial components on demand of software? Then if some component like RT draws power can be on only when game with RT option on is loading.