What you forgot to consider is that the Xbox has to share the RAM with the VRAM. The game on PC has 8GB RAM and 4GB VRAM as minimum. That is 12GB of RAM. The Series S only has 10GB. Which is 2GB less than minimum.
What you forgot to consider is that the Xbox has to share the RAM with the VRAM. The game on PC has 8GB RAM and 4GB VRAM as minimum. That is 12GB of RAM. The Series S only has 10GB. Which is 2GB less than minimum.