Nvidia GeForce 9800 GX2 Review


Point of View supplied the sample card. It is identical to the reference design except for a sticker. Bundles will vary. Point of View will provide a DVI to VGA adapter and a PCI Express 6 pin to 2 Molex adapter, which is quite obsolete for such a card.

Outputs include two DVI-I ports and an HDMI port. Like the 9600 GT, the 9800 GX2 has an HDMI-in, located next to the additional power connectors for linking with the motherboard's PCB or a sound card.

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Main Cards Specifications
GPUHD 3870 X29800 GX28800 Ultra
GPU clock825 MHz600 MHz612 MHz
Shaders clock825 MHz1500 MHz1512 MHz
Memory Clock900 MHz1000 MHz1080 MHz
Width of the memory bus2x256 bits2x256 bits384 bits
Amount of Memory2 x 512 MB2x512 MB768 MB
Number of Pixels/Vertex Pipelines(160)(64)(32)
Number of Texturing Units3212832
Throughput~1 TFlops768 GFlops387 GFlops
Memory Bandwidth115.2 GB/s128 GB/s103.7 GB/s
Number of transistors1334 millions1010 millions754 millions
Die surface2 x 196 mm²2 x 324 mm²484 mm²
Shader Model supported4.14.04.0

When it comes to specifications, we would like to see more memory (512 MB of really usable memory compared to the other cards) and more memory bus (there are 256 bits, although we can multiply this by two). NVIDIA has the upper hand for most of the other specs. Memory bandwidth, but mostly texturing units weigh in favor of the chameleon (with a filtrate three times superior). AMD has better raw throughput, but we know its actual architecture is less efficient. The 9800 GX2 has also the upper hand when it comes to die surface, which means cheaper production costs.

  • dwfresch
    This author continues to refer to ATI as AMD in multiple articles. Not only does this bring into question this author's competence, it also causes me to question the accuracy of all articles on Tom's Hardware since the editors have overlooked such a blatant error.
  • ProphetMK1
    I am wondering about your competence. What does it matter if he refers to the parent company of ATI. If you aren't aware or have been MIA from the tech world in the last year. AMD owns ATI at a large 5.4 billion dollar so far debt that has yet to help my AMD shares.
  • AvatarC
    I think you owe an apology to the site, dwfresch. When was the last time you visited www.ati.com and what did you first notice?
  • honestly, i know amd owns ati, but the two are totally seperate entities. the product solutions for one are different and when i talk about graphics card, i refer to them as ATI or NVIDIA, rather than AMD and Intel. If I stood up in front of you trying to convince you to gain our market share and talk to you about our products, im not going to say "The new AMD Radeon HD 3800 Series" because its NOT AMD, its ATI. And if i make simple stupid errors like that, how do you know that the rest of my information is right? My facts on resolution, memory bus, core speed, may all be just as wrong as getting the ACTUAL COMPANY NAME THAT PRODUCED THE PRODUCT wrong. Attention to detail gentleman. Having 200 cars isnt the same as having 500. Having a Mayback Exelero isnt the same as a Kia Rio. The LAPD is not the NYPD. Get the drift? Thank you
  • Its AMD NOT ATI, and I think the above comment has lost the point completely tbh.
  • aww yer ana a 550watt power supply
  • listen what is the best value for money graphics card that can play crysis cuz im upgrading with a 64 bit 3.06 gig hert processoer asus p5n sli and a gforce 7600GT
    so yer i dont wanna spend grands on my rig id b happy with a rig thats 80% up dere with the market cuz getting 100% up with the market is to expensive