Overclocking Buyer's Guide - August 2004
by Wesley Fink on July 27, 2004 11:24 AM EST- Posted in
- Guides
AGP Video
AGP Overclocking Recommendation: eVGA 256MB GeForce 6800 GTPrice: $389 shipped
While the dust is still settling in this round of the video wars, we do know that the new generation of video cards from nVidia and ATI are twice as fast as the previous generation in many benchmarks. We also found in our testing of the new nVidia nForce3-250 chipset that it performs a bit better with an nVidia graphics card. With that in mind, we included a GeForce 6800 GT in our Overclocking system to match the nForce3-250 Ultra-based MSI K8N Neo2.
Why a GT instead of a 6800 Ultra? The 6800 GT is unique in also sporting 16 pipelines just like the 6800 Ultra. In fact, the only real difference that we can find between the 6800 GT and the more expensive 6800 Ultra is the clock speed. The two 6800 GT that we tested both reached 6800 Ultra clock speeds pretty handily, so if you want 6800 Ultra performance, you may well get it with a 6800 GT overclocked to 6800 ultra speeds. You can also buy 6800 GT cards, which is more than we can say for 6800 Ultras, which are very difficult to find.
The 6800 GT is clocked at 350MHz with memory at 1.0Ghz; the 6800 Ultra clocks the GPU at 400MHz, and the memory at 1.1GHz. Both have 256MB of DDR3 memory and 16 pipelines. The easiest way to try your hand at overclocking a 6800 GT to Ultra levels is with a widely available utility called Coolbits, which adds Clock Frequencies to the advanced tab of the nVidia properties. Coolbits even offers a Test and Optimal Settings button so you can check to see if your 6800 GT can support 400HMHz and 1.1GHz speeds or possibly even higher speeds.
If budget is a concern for your overclocking system, there is also a 12-pipe 6800 available for about $300. The 6800 is sill a decent performer and even easier to find, but it is not likely that you will push a 6800 to 6800 Ultra performance levels, and you are still stuck with 12 pipelines instead of the 16 available with the 6800 GT and 6800 Ultra. There is also an even faster version of the 6800 family, called the 6800 Ultra Extreme, but as rare as 6800 Ultra cards are right now, we would hesitate to recommend an even more rare card, which is just a higher-clocked 6800 Ultra. Perhaps a 6800 Ultra, when you can find one, will overclock to Extreme levels.
The best way to see what the 6800 Ultra can do is to read the latest AnandTech Video Card review, which compares ATI X800 and nVidia 6800 in both AGP and PCI Express flavors.
The AGP Overclocking Recommendations will work very well on the MSI K8N Neo2, Asus P4C800-E Deluxe, or DFI NFII Ultra Infinity. However, a PCI Express Video Card is required for the Socket 775 Asus P5AD2 Premium.
Listed below is part of our RealTime pricing engine, which lists the lowest prices available on nVidia video cards from many different reputable vendors:
If you cannot find the lowest prices on the products that we've recommended on this page, it's because we don't list some of them in our RealTime pricing engine. Until we do, we suggest that you do an independent search online at the various vendors' web sites. Just pick and choose where you want to buy your products by looking for a vendor located under the "Vendor" heading.
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danidentity - Wednesday, July 28, 2004 - link
...for sale either online or in stores, I meant.danidentity - Wednesday, July 28, 2004 - link
Wes, do we have ANY idea when we'll start seeing PCIe X800's?Pollock - Tuesday, July 27, 2004 - link
I would have expected to see the 3000+ in there with the recent price drops... And I'll second #6, even if you did mention CAS 2.5 ram on the summary.I also think that you shouldn't focus on clear cut categories, but perhaps design one for each of the sockets that appeals at the time. Basically what I'm saying there is that you've got to get socket 754 in there but you don't have to cut anything else out.
Pumpkinierre - Tuesday, July 27, 2004 - link
Agree with #15 Wesley, you've added passion to the buying guides.Wesley Fink - Tuesday, July 27, 2004 - link
#15 - The price in the Guide has always been $389, which is certainly close to $390. New Egg shows the eVGA 6800 GT expected tomorrow 7/28 at a price of $410. Pricewatch shows this link for $389 with an ETA of 7/30 - 3 days away - at http://www.buyxtremegear.com/vc129114.html. The PHY brand is also shown at $389 with an ETA of 8/10 at http://www.futurepowerpc.com/scripts/details.asp?P...kherman - Tuesday, July 27, 2004 - link
Awesome article! Love the concept even though I'll never do an OC rig. It's interesting to read about though.RobJ - Tuesday, July 27, 2004 - link
But the 6800GT is not listed in the real-time pricewatch list because eVGA's website says that the GT won't be available until September 2nd and that it will cost $390, not $380. I have been able to find it on some websites for markups as high as $460. I'll wait until the price comes down to $380. Other companies are even selling the GT for $500 and above. That's crazy.Wesley Fink - Tuesday, July 27, 2004 - link
#12 -The only reason I did not list this in the guide is because we will be making some HSF recommendations in the next OC Guide. The HSF I had in mind for $12 was a "SPEEZE 80mm LED CPU Cooler for Socket A, Model "5F353B1L3GL" -OEM" which has an 80mm fan. A quick check shows you can now buy this Speeze for $9.99 from a reputable on-line retailer. I have found the 80mm fan HSF move more air and do a better job of cooling than the more common 60mm fan models - even the expensive ones. The 80mm are also normally lower noise.
trexpesto - Tuesday, July 27, 2004 - link
Wonder what 12$ HSF is used for the DFI Infinity?"Overclockers will also be happy to find the 4 mounting holes around the CPU socket for heavy-duty cooling; although, we do find the CPU area has too many components around the socket that could interfere with some of the larger cooling solutions." - http://anandtech.com/guides/showdoc.aspx?i=2138&am...
Zebo - Tuesday, July 27, 2004 - link
#9 Thanks....While only a couple mobos seem to have found a work around I appologise for my ignorance Wes. Still have issue with the presshot not because of heat, the northwood/canterwood is so much more mature and even a bit faster clock for clock,. The price factor of course.