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by tarlinian 1466 days ago
The more important reason this is not true is that there is technically feasible DIMM form factor for LPDDR4/4x/5/5x RAM. And there are actual power savings (~20% reduction in J/bit transferred) to be had for using LPDDR RAM as opposed to similar generation DDR RAM. Laptops that support replaceable memory have to use DDR4/DDR5 and therefore cannot take advantage of the power savings you get from LPDDR4/4x memory.