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NVIDIA GeForce GTX 400 Series - What you need to know

By: Shawn Baker | NVIDIA GeForce GPU in Video Cards | Posted: Mar 26, 2010 11:00 pm
Manufacturer: NVIDIA

The Fancy Tech - Continued


- PhysX


PhysX continues to be a bit of a mixed bag amongst gamers. Gamers love more eye candy and that is essentially what PhysX does. The problem with PhysX is its limitation to NVIDIA-only cards. Sure, NVIDIA paid for the technology when they bought out AGEIA and it's their right to offer it exclusively on their cards. The problem is this seems to have affected the uptake of the technology. Many companies aren't keen to jump on the technology for this reason, it seems.




With that said, PhysX is still available in a number of games and it's faster than ever, so NVIDIA say in the GTX 400 series. It's again like CUDA; some people are going to love it and want it, while others aren't going to care about the technology and simply enjoy the games they have and the way they currently play.


- Antialiasing


I know what you're thinking; ATI cards offer AA as well. However, NVIDIA have implemented three new AA technologies with the GF 100 which include:


- 32x Coverage Sampling Antialiasing (CSAA)


- Alpha to Coverage from Coverage Samples


- Improved Transparency super sampling


NVIDIA say that of the three, the third one shows the most distinct improvement in image quality.


AA continues to be a hot topic, though. Some feel it's not necessary with the higher resolution of monitors these days; others can't play a game without it. I find that the performance hit by introducing AA is too great to warrant the use of it and when really moving around fast, I don't even notice the "jaggies". Each to their own, though, and AA will continue to be a hot topic for the future no doubt.


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