NVIDIA GeForce 7900 GT Graphics Card |
The first reaction when we installed this card was amazement at the size of the cooler. For such a high-end card, NVIDIA used a pretty small stock cooler. In fact, it's the same cooler used in the GeForce 7600 GT! We knew instantly that the die shrink alone had been very effective in lowering its power output. The GeForce 7900 GT is really just an lower-clocked version of the GeForce 7900 GTX. The GPU itself doesn't lack any feature that its bigger brother has. All that differentiates it from its bigger brother are the lower core and memory clock speed, as well as the smaller framebuffer and cooler. Since the GeForce 7900 GT doesn't require as much power as the GeForce 7900 GTX, it's much easier to run two of these cards in SLI, if you wish to do so. Although the testbed was only running on a non-SLI certified 480W PSU, it had no problem handling both GeForce 7900 GT and GTX SLI configurations. Of course, we are not saying you can safely run two GeForce 7900 GT cards in SLI with just about any PSU. But we can certainly assure you that you will have a much easier time running the GeForce 7900 GT in SLI configuration than you will with the GeForce 7900 GTX. Because of the relatively cool-running GPU, this card is far more overclockable than the "fully loaded" GeForce 7900 GTX, even with the skimpy little cooler. With improved cooling, it could possibly overclock even higher. But even without overclocking, this card is fast! This card is not only much faster than its predecessor, it actually overshadows the GeForce 7800 GTX, not only in terms of performance, but also in power consumption, thermal output and most importantly to the buyer - price. In esssence, the GeForce 7900 GT offers the same level performance as the GeForce 7800 GTX but at a much lower price, power consumption and thermal output. Overclocking it further boosted this card's performance. In fact, we came quite close to the performance of the new GeForce 7900 GTX when we overclocked the GeForce 7900 GT. With a better cooler and some luck, you could possibly obtain better overclocking results than we did. Both its fantastic performance and overclockability will make many gamers very happy. But the biggest winner will be NVIDIA. Thanks to the smaller manufacturing process, and trimming of the transistor count, the GPU will be cheaper to make than their predecessors. And NVIDIA is sure to sell loads of this card. Because of its great combination of price, performance, overclockability and power consumption, the NVIDIA GeForce 7900 GT is no doubt one of our current favourite cards. In fact, we love it so much we think it deserves our Editor's Choice Award! Congratulations, NVIDIA! For more details, read our Comprehensive Review! |
MSRP |
$249 - $399 |
Lowest PriceGrabber Price |
|
Review |
|
Architecture |
G71 |
Process Technology |
90 nm |
Number of Transistors |
278 Million |
Die Size |
196 mm2 |
Pixel Pipelines |
24 Pixel Pipelines |
ROPs |
16 ROPs - 16 colour, 16 blend |
Core Clock |
450 MHz |
Fillrate |
10.8 Gigapixels / sec. |
Memory Interface |
4-way 64-bits
memory interface |
Memory Buffer |
256 MB GDDR3 |
Memory Clock |
660 MHz |
Memory Bandwidth |
42.2 GB/s |
Vertex Units |
8 Vertex Units |
Vertex Clock |
470 MHz |
Vertex Output |
940 million vertices / sec. |
Power Consumption |
82 W |
Graphics Bus |
PCI Express |
Shader Model Version |
SM 3.0 |
NVIDIA IntelliSample Technology |
4.0 |
NVIDIA SLI Technology |
Yes |
NVIDIA Quad SLI Technology |
No |
NVIDIA TurboCache Technology |
No |
64-bit Texture Filtering and Blending |
Yes |
DVI Support |
Two dual-linked DVI, both integrated into the GPU |
Features |
Microsoft®
DirectX® 9.0 Shader Model 3.0 Support |
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