my current build
CPU - Intel i7 860 <---upgradeing this
Mobo - msi gd55-65 <---upgradeing this
RAM - 16gb 1333
Casing - CM 690
PSU - 500w (9 years old)
GPU - GTX750 oc
SSD1 - 240 for OS & Software
HDD1 - 1 TB
reason why i dont go for intel because the price is too high i dont think worth it. i only play wow and cs go and normal video editing. any suggestion?
FX processors core definition isn't the same with Intel's one, they are like 2 integer cores into a "larger" module, and these 2 cores are sharing similar resources in the module.
An back to your question, AM3+ uses DDR3 RAM, so your 1333MHz DDR3 will work just fine on AM3+ mobo.