Phoenix has AIE-ML (what you call AIE2), Versal has choice of AIE (AIE1) and AIE-ML (AIE2) depending on chip you buy. Essentially, AMD is making two tile desig

Phoenix has AIE-ML (what you call AIE2), Versal has choice of AIE (AIE1) and AIE-ML (AIE2) depending on chip you buy. Essentially, AMD is making two tile designs optimized for slightly different computations and claims that they are going to offer both in Versal, but NPUs use exclusively the ML-optimized ones.