“which is the older model between 81cu0040us and 81cu0048us and when were each model released? Thanks”

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• Model number 81cu0040us was released October, 2018. Model number 81cu0048us was also released October, 2018. Model number 81cu0040us has discrete graphics. Model number 81cu0048us has integrated graphics processing.

  Answered by Lenovo Product Expert 6 years ago

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