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Apple M7 Ultra Chip Planned With Up to 1.5 TB of Unified Memory
(www.techpowerup.com)
This is a most excellent place for technology news and articles.
Ya, these high memory amounts and ever increasing memory bandwidth are heavily (but not only) targeting people wanting to run local large AI models like a full deepseek on their machines.
You might not be able to train as well on them as NVIDIA + CUDA, but for local inference, they're an alternative to NVIDIA and more reasonably priced for the model sizes you can run, and each iteration they get better as the bandwidth increases.