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I need to upgrade my cpu to use the new AI features.
Which Xeon cpu is Haswell 4th gen that can process the AI?
A Haswell 4th gen would be anything that starts with a 4, like i7-4xxxx, i5-4xxxx which are rather old 2013 technology, or newer higher numbers, like i7-5xxxx, i7-12xxx. For whatever CPU you are interested in, make sure it supports the AVX2 instruction set on like Intel’s spec page and you should be good.
Jeff