Ehh probably just cause the 8 core is cheaper to make, uses less die space, and simpler for devs to code for. Plus if its clocked just as fast, like say 5 GHz, then its basically just as fast for gaming.Why not both. gif?
12 cores plus close to 5Ghz. The CPU's need to go beyond the 4Ghz threshold
The core count doesn't really matter for gaming. It should just be whatever most game devs want. They're the ones who will need to actually use each core/thread. Which plenty of games currently do a poor job of using lots of cores effectively.
Look at some various PC gaming CPU benchmarks. The 12 core Ryzen CPUs are barely any better than the 8 or even 6 core CPUs. I bet the consoles will stick with 8 cores for a while simply for cost and simplicity. Plus it makes generational compatibility easier too.