card vs card

[tom20r2]

Card vs Card
I will give names and links
I want to know wich card will preform better with the fx-6300 with arma 3 and bf4/hardline

XFX Radeon R9 280X Double Dissipation 3GB
http://www.pccasegear.com/index.php?main_page=product_info&cPath=193_1559&products_id=25553&zenid=8e94938504726fdc6360d3361ca3b2a6

MSI Radeon R9 280 Twin Frozr 3GB
https://www.ple.com.au/ViewItem.aspx?InventoryItemID=615250&CategoryID=468

 

[Suztera]

XFX R9 280X will perform faster.
The R9 280X is the rebrand of the HD 7970 GHZ edition.
The R9 280 is the rebrand of the 7950 Boost.

 

[MasterDell]

Whenever there is an x after an AMD card it means it's better than the one without and x. For example 270x is better than 270