Here is why LPDDR4x-4266 RAM seems considerably faster when coupled with Intel Tiger Lake-U CPUs compared to equivalent AMD Renoir APUs - NotebookCheck.net News
Dell XPS 13 9310 Thin and Light Touchscreen Laptop, 13.4 inch FHD+, Intel Core i7-1195G7,
Samsung mass producing 16GB LPDDR5 RAM for next gen flagship smartphones - MSPoweruser