Is CPU-Z correct or my lapto manufacturer . . . .My laptop is an Hp pavilion g6 1313ax . . HP says that they are having 4GB 1333mhz RAM. But when i checked the CPU-z it shows 800 which means i am having 1600mhz .RAM . . The problem now is that i want to upgrade RAM so which RAM should i get 1333mhz or 1600mhz . . . Btw my current RAM is hynix 4gb 2rx8 pc3-12800s-11-11-f3 model no.HMT351S6CFR8C-PB