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Nvidia has finally lifted the NDA on the G80 and allowed us to announce its fantastic specifications. The new G80 GPUs mark the arrival of the world’s first DirectX 10 card along with a boatload of new features that puts these new cards heads and shoulders above anything that ATI/AMD offer right now. Before we embark on our exploration of the new core let us quickly run down through some of the basic features that have changed or been introduced.
The GeForce 8800 GTX is clocked at 575 Mhz-core clock and 900 MHz -memory speed, which runs on a 384 Bit Bus. The new ‘Stream Processors’ (we will just talk about that in a minute) run at a speed of 1350 MHz. The RAM being used is still GDDR3. Overall this may seem a tad slow but this is not where all the optimization has taken place. The card’s new unified shader design now pushes nearly 86.4 GB of memory, which is seriously a lot of memory bandwidth.
Physically the card is a monster. It is extremely long and quite easily dwarfs its younger brother—the GeForce 7950 GX2. It is so big now that the power connectors for the card have been moved to the top of the card from its traditional side position. It’s PCB is a beautiful black, which is something you do not see everyday. The card’s HSF (Heatsink Fan) is huge but surprisingly runs quite silently. The card has two DVI connectors and surprisingly two SLI connectors, which we believe maybe a move for future readiness. In terms of power requirements, the card with its heavier power requirements will now need two PCIe power connectors and Nvidia recommends that this card be run with nothing less than a 450W PSU.
Review By hothardware
The GeForce 8800 GTX and GTS are based on a totally new unified GPU architecture, so they don’t have too much in common with the older GeForce 7 series of products. It would be a good idea to familiarize yourself with NVIDIA’s previous product offerings, and their platform as whole, however. For a comprehensive look at the main features of the GeForce 7 series, and for more details regarding NVIDIA’s multi-GPU SLI platform, we recommend taking a look at a few of our recent articles…
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Review By Reviews.Cnet
Nvidia hasn’t released a driver that will run the GeForce 8800 GTX in SLI mode as of the time of this writing, but it may have one out soon. Thus, we didn’t get to test it, but Nvidia did share the power supply specs with us. To run two GeForce 8800 GTX cards in SLI mode, Nvidia recommends at least a 750-watt power supply. But some of the recommended models on its SLI compatibility list go as high as 850 and even 1,000 watts. We suspect those higher-wattage recommendation will allow you some headroom for adding multiple hard drives and optical drivers, as well as very high-end quad-core processors. Still, it’s clear that building a next-gen SLI rig will be no small undertaking, at least for now. Heck, many midtowers PC cases are too small to accept a 1,000-watt power supply.
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Review By Reghardware
The first batch of GeForce 8800 GTX graphics cards all come out of the same Taiwanese factory and use reference clock speeds so there’s very little to distinguish one 8800 GTX board from another, but Sparkle, which kindly supplied Reg Hardware with our 8800 GTX review sample, has added some neat branding to the cooler while the packaging is positively under stated. In addition to the graphics card you get Call of Duty 2, Cyberlink PowerDVD 6 (stereo version), an s-video extension cable, a breakout cable that offers s-video outpur and component-video connections, two DVI-to-VGA adaptors, and not one, but two six-pin power cables.
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Review By Extremetech
The board has two dual-link DVI connectors and a video connector capable of handling component video output. The whole affair comes very nicely packaged in subdued colors and boxes within boxes, in a very Lexus-like fashion. Now that we see what the board looks like and take a closer look at the most significant graphics card to arrive on the scene since the original GeForce 256, which launched way back in 1999.
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