QUOTE(KimiLau @ Mar 20 2016, 03:56 PM)
why most of you guys recommended GTX970 instead of R9 390?
Feel that MSI r9 390 Gaming more worth the money than GTX970...looking at the benchmarks for both cards on Hitman 2016, R9 390 is comparable to GTX 980!!!!!
Regret buying GTX970, should buy 390 instead

You need to factor in a lot of things.
First is budget, if you have a low budget, most likely you need to save money on PSU, GTX970 is low in power consumption, you can pair it with low end PSU like FSP Hexa+ 550W, it costs less than RM 200 only, if you pick R9 390, you need a decent PSU to pair with it, hence increasing the total cost to build a rig.
Secondly, some games tend to favor a particular camp, Hitman is an AMD title, that's why you should be able to get a better performance on R9 390 (or other AMD cards), similar scenario goes to Nvidia card, if the game uses GameWorks API, Nvidia GPU will be ahead of AMD card, for example, Gears of War: Ultimate Edition which is just released not long time ago on Windows Store, it has a heavy performance issue on newer AMD card.
Some people prefer Nvidia, some prefer AMD, there are a lot of builds which are based on R9 390 too if you check the previous pages, but the consequence is we must understand the requirements and suggest the build based on the budget.