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Nvidia has finally added support for antialiasing with high dynamic range lighting. On the image-quality side, gamers no longer have to choose between blinding light or jaggy-free graphics. #G FORCE 8800 GTX FULL#A traditional GPU might run all of its pixel shaders at full capacity, while half of its vertex shaders sit idle in that same situation. If a frame is light on triangles but heavy on pixel shading, a GPU with a unified architecture can balance the workload to make sure all the processors are properly engaged. The GeForce 8800's unified shader architecture doesn't distinguish between pixel and vertex work-it all runs through the same processor pool. The problem with shader specialization is that games can't always balance out the right ratio of pixel and vertex work to keep shaders of both types running at full efficiency-you'll always end up with idle pixel or vertex shaders in any given time. The GeForce 7900 GTX, for example, has 24 pixel shaders and 8 vertex shaders. Traditional graphics processors have separate shader processors dedicated to pixel or vertex processing. The GTX card also requires two PCIe power connectors. Nvidia recommends a 450W power supply for GTX-based cards and 400W for GTS cards. The GeForce 8800 has a record-breaking 681 million transistors, twice as many transistors as the GeForce 7900. If those processor speeds seem higher than usual, it's because they are-Nvidia clocked the GeForce 8800's processors independently from the rest of the GPU core for higher performance and to increase performance-per-watt power efficiency. The GTX processors are also faster, clocked at 1.35GHz, which is 150MHz faster than the GTS's 1.2GHz processors. Nvidia GeForce 8800 GTX 768MB reference card.ĮVGA e-GeForce 8800 GTS 640MB retail card.Ĭhoosing the premium GTX model will get you 128 floating-point processors, compared to 96 processors on the GTS. Instead of the usual 512MB or 256MB memory sizes, the GTX has 768MB of GDDR3 memory clocked at 900MHz and the GTS has 640MB clocked at 800MHz. The GeForce 8800 GTX has a $600 MSRP, and the slightly less-powerful GTS will retail for $450. Nvidia is only shipping the high-end GeForce 8 GPUs for the holiday season. The GeForce 8800 series GPUs are designed specifically to support DirectX 10, but the chips also feature a new unified shader architecture that will speed up performance in DirectX 9 games on Windows XP. #G FORCE 8800 GTX PC#The Windows Vista era won't officially begin until Microsoft finally ships its new operating system next January, but PC game enthusiasts will get next-gen PC graphics performance a few months early because Nvidia is ready to ship its new GeForce 8800 GTX and GTS video cards. FSR 2.By: James Yu - Posted on Wednesday November 8th, 2006
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