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
G. Skill F4 4266 °C17Q 32GTZR Ram/GSK/Kit Memory Module Black : Amazon.com.au: Computers
HP Envy 33.8 cm x360 2-in-1 Laptop OLED 13-bf0063TU - Blue - 33.8 cm (13.3) (6L0L1PA) - Shop HP.com India
Micron 12Gb LPDDR4X 記憶體量產頻率高達4266MHz - XFastest Hong Kong
G.Skill RipJaws 5 Series Black 32 GB (2 x 16 GB) DDR4 4266 MHz CL19 - PC RAM - LDLC 3-year warranty
V-Color Prism Pro DDR4 32GB(16GBx2) 4266MHz (PC4-34100) CL19 RGB Gaming Desktop Ram Memory Module UDIMM Hynix IC Single Rank - Metallic Golden (TL1642819C-E6PGAWK) at Amazon.com
SK Hynix Announces 8 GB LPDDR4X-4266 DRAM Packages
REALLY Weird Issues With New G-Skill Ram (4266, C17, 32GB) : r/overclocking
G.SKILL TridentZ RGB Series 16GB (2 x 8GB) 288-Pin DDR4 SDRAM DDR4 4266 (PC4 34100) Intel Z270 / Z370 / X299 Desktop Memory Model F4-4266C19D-16GTZR at Amazon.com
G.Skill F4-4266C17Q-32GTZR | G.Skill Trident Z RGB F4-4266C17Q-32GTZR memory module 32 GB 4 x 8 GB DDR4 4266 MHz
DDR4 4266+ MHz Memory Available at Overclockers UK