In the pricing arena, neither is better than the other for video cards. Finding a card that performs well as well as being low-cost will depend on how well you can hunt down a good deal._j5689_ wrote:
Nvidias are a bit pricy for a 14-year old and I have better experience with ATi so i'd recommend that to him.
My chosen brands for computer parts are Intel for processors, and ATi for Graphics cards. I don't buy AMDs because they're unclear about their processor speed.
I'll nitpick and retort on the AMD bit. Correct me if I am wrong on this but virtually all of the respectable online retailers have details that usually indicate the processor's clock speed. Newegg displays them. ZipZoomFly does too. Many stores will indicate what the processor's clock speed is. If, however, you are unsure about the processor's speed, there's always looking the info up on the company's website, as seen by this site/page here. It'll help you not only see what model varieties they have but also help you discern the difference between two processor of the same speed grade.
On the other hand, Intel is no better, having followed AMD's path in transitioning to a model number based system. Neither companies are better off in making their processors clear as to how fast they run in terms of clock speed. The clock speed war in the days of AthlonXP and Pentium4 is long over and both companies have since then moved past that.
If price is of a major concern, there's little a teenager can do to better the computer, other than saving up some major cash and plan out an upgrade. If there are no available slots that can accept a video card (PCI Express or AGP), then the system is very ill-equipped to further enhance the gaming experience with today's 3D engines. As others have suggested, it's time for a new motherboard in order to install a new video card. However, I foresee a minor problem given the scenerio and what is known right now...
Depending on one's eagerness to learn the technical aspects of the computer, it's a good idea to start learning the basics of the computer... know what basic components are required for the computer to start up and keep note of the dangers of tinkering with electrical and electronic parts. While I wish there is something that can help you and/or your friend get started in learning, there are many ways to start and trying to compose up a learner's guide is going to be extremely lengthy (think several pages long). If one cannot be bothered to know everything there is to know, or even the basics, then there is little that any of us can do to help. Other than getting a brand new system, there's little one can do to actually improve performance that benefits BF2.