My guess is at launch we are getting
Series X @ $499
Series S @ $399
Main difference being the GPU so it keeps ram and CPU exactly the same. S could be a white console too to help seperate similar to how the current X and S don't share colour.
Series X @ $499
Series S @ $399
Main difference being the GPU so it keeps ram and CPU exactly the same. S could be a white console too to help seperate similar to how the current X and S don't share colour.