A:AnswerI have been using this for a week now. Normal use of browsing including short (5 min or less news videos), running Word, editing a photo or two on Chrome, and reading email gets me about 4.5 to 5 hours. Streaming Netflix drops this to about 3.
A:AnswerNo ... Forum answers report that if you upgrade to "PRO" you lose the Lenovo loaded APPs ... still need to investigate that because I would like PRO too to have Remote Access capability.
A:AnswerThe one I bought came with Intel® HD Graphics 5300 for Intel® Core™ M Processors Playable Games List for Intel® HD Graphics 5300. This is not definitely 4k but HD with up to 30 frames per second.
I found one with Intel® HD Graphics 5500 and core i5/i7 processor and its not 4K either.
I didn't see any Yoga with DDR5 or 4 yet, including lenovo web site, so far only DDR3L and DDR3. Hope they will have one soon.