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#1
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6800 Ultra overclocking - XFX? PNY? eVGA? BFG?
In spite of the difficulty in acquiring a 6800 Ultra for the time
being, I'm going to get one. I intend to overclock it as much as seems safe. I'm undecided on what sort of cooling to use. It could be stock, or it could be that $125 waterblock, or maybe that NV Silencer thing, although I'm not even sure if that would work on an Ultra. The main point of this post is to figure out which brand seems to be overclocking the best. For now, here are what the signs seem to be pointing to: BFG comes overclocked by default, but several people have had trouble overclocking it even to typical OC levels. Overclocking a GT to Ultra levels, for example. Speculation is that the ram used is inferior. I've seen a few people claim that XFX seems to overclock the best. Same story for the eVGA. And one or two people have said it's a toss-up between eVGA and PNY. At the least, it definitely seems as though the BFG, while overclocked stock, doesn't have any particular advantages if one wishes to take it closer to the limit. Apart from the warranty. The goal here is to get a better idea of what is generally accepted to be the best overclocker. Any takers? Note: I didn't mention Gainwood, mainly because it has become painfully obvious that that particular card is far too scarce to ever become a potential purchase. |
#2
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Well POV seems to do well. They use 1.6 nc ram.
My 6800Ultra runns great on 450\1200 with i modded bios, 1,5v (1,4 org) Dont think you can go any higher without extreme cooling. Tried som benching on 465\1250 but got a lower score so 450\1200 works best for me. Idle temp on my 6800Ultra is 52C lidle, 80C full load. 13300 3dmark03 with P4 3200@3500. Erik Norway |
#3
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On Wed, 29 Sep 2004 09:13:50 +0200, "Erik"
wrote: Well POV seems to do well. They use 1.6 nc ram. My 6800Ultra runns great on 450\1200 with i modded bios, 1,5v (1,4 org) Dont think you can go any higher without extreme cooling. Tried som benching on 465\1250 but got a lower score so 450\1200 works best for me. Idle temp on my 6800Ultra is 52C lidle, 80C full load. 13300 3dmark03 with P4 3200@3500. Yep, good points. Research of memory on specific runs of card is important, as is extreme cooling OR benchmarks to determine the max speed that can be used before overheat-throttling kicks in. There may be a way to disable throttling but IMO, that's a bad idea. Mainly, don't get proprietary designed cards if you want to later find hard-volt-mods for it, since some companies may deviate from nVidia reference design and require individual card reverse-engineering to volt-mod. Not a problem for some people but a hurdle for others. |
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