AGP card and a PCIe card
Depending on your motherboard and its slots, you need to decide between AGP and PCIe graphic card. These graphic cards are directly related to motherboard and its size of slots. AGP graphic card has options up to 8x while PCIs usually available in 1x, 4x, 8x, 16x and 32x. Though both cards are different from each other but still according to developers, the PCIs cards are superior to AGP. It is why because PCIs graphic cards have more slots than AGP. It also gives high quality with same motherboard support. In PCIe cards, you can load two graphic cards at the same time. As they have multiple slots, you can not only load two different types of graphic cards in your computer but in good image editing, these cards also help a lot. It also includes advanced audio editing and image editing applications. Experts also believe that PCI cards have more advanced features while in many countries it has replaced old ordinary cards as well.
Understanding processor speed
Understanding your computer’s processor speed is also a very good idea if you are looking to buy a graphic card. A higher speed of your processor will not guarantee that an advanced level graphic card will also run faster on your computer.
Keep in mind the memory size. Memory can be extended with respect to the quality of the graphic card. Good memory is essential for any graphic card to work more efficiently. In essence the more memory a graphics card has, the better it will perform when it comes to rendering advanced graphics.
Learn about different models before buying a graphic card. DirectX shader model is quite popular nowadays. These advanced graphics cards can handle almost anything that you can throw at them from advanced games to technical video editing or rendering.