Thanks for the link. I see few typos in the original post. WCD9330 should be Qualcomm codec & Sil8620 is Silicon Image MHL 3.0 transmitter.
Anyways, I think the RAM is also mistakenly listed as DDR3. Going by the part number 'K3RG3G3' [I hope I read it right & couldn't read the last two lines ], it's probably the same 1600 MHz LPDDR4 ram [K3RG3G30MM-MGCH] M9 has