A Radeon graphics card is only the makers.
Depends on what cards they are.
Graphics cards
amd radeon is the best compare to nvidia
AMD radeon is a brand name for the AMD line of graphics cards. They used to be ATi Radeon HD.
The Radeon graphics cards are some of the best available. The card will improve the apperance of your games.
It will do it itself if u turn the game u want to play on high performance in configure graphics
It is called in SLI in case of NVIDIA and Crossfire for Radeon.
In 2015 the most powerful graphics cards are the GTX 980, GTX 980ti, and the Titan X from Nvidea. AMD has the Radeon 290, 290x, 390, and the 390x also.
The best graphics card to run in a PC will be based on what your motherboard is able to support and what type of connection it has. Normally, boards with PCI express are good cards. However, some of the best cards are Radeon cards or Invida cards, which are not cheap normally.
This stands for Video Graphics Array and refers to the component of the computer system which handles graphics rendering. Today, most of the cards responsible for graphics are called Graphics Processing Units (GPU). When someone talks about installing a VGA card or a graphics card, they're usually referring to a GPU. When you hear or read about GeForce cards or Radeon cards, for example, these are specific graphics cards from the Intel and AMD companies, respectively.
There are regular graphics cards, then there are mobile ones for laptops and such. Thats a review of the mobile one
With a Radeon HD 7540D, it is unlikely that you will be able to run Battlefield 4. Your CPU would be able to handle it, but that graphics card will bottleneck your processor. You would need to switch graphics cards to play. A good card would be the Radeon HD 6790.