A:AnswerRAM and Unified memory are essentially the same thing. Unified memory is just RAM built into the CPU chip for Apple silicon Macs. Its "unified" with the CPU.
A:AnswerSorry this took so long. My new Apple M4 has Sequoia 15.1.1
I just switched from Windows to Mac, so I am not real up on this, but so far I love this. I am having no trouble converting. The system runs smoothly and faster than what I replaced.
Happy New Year!