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Why is no One Talking about the Super Fast LPDDR5 RAM ?

In the world obsessed over the Camera, Performance, Battery life , blah blah of a smartphone, most of the "elite" tech reviewers have terribly missed out on the massive revolutionary feature that has been introduced this year in 2020. It's a widely accepted fact that the RAM decides heavily the performance of the CPU no matter how many "Gigahertz" it's able to clock. Yes, I am talking about the new Low Power Dual Data Rate RAM - LPDDR5 ( I bet most of you didn't know the abbreviation :P )  To understand why I am stressing so much on the "RAM" part , let's see through an analogy. Imagine the CPU to be really fast 100 lanes highway and the RAM to be a 10 lanes bridge at the end of the highway. Now, you can zoom past the highway with 300 MPH and reach the bridge as fast as you can but you would be slowed down by the 10 lanes bridge. Now, add a dozen more of this CPU's all converging to this one bridge. That's like 1200 bus la...