860MHz core is about an 11% OC for the 3870, you can buy factory-overclocked 8800GT's with a 17% OC (700MHz). When you consider their relative cooling solutions, transistor counts and process technology the 8800GT looks like the more impressive overclocker so far. But it's early days for both GPUs so time will tell.
So, do we know anything about RV670 yet?
- Thread starter nicolasb
- Start date
You have to factor the actual performance gains when considering the raw clock increases. So far we have seen G92 is more bandwidth and shader-compute bound than pixel/texture fillrate bound, so increasing the core clock brings very little performance gain (if any). This is not true with RV670, since the SPs are in the same clock domain as the RBEs/TMUs.
Sound_Card
Regular
Kanyamagufa
Regular
I guess I was just so impressed with how much performance was gained once RV670 was overclocked in general. I mean, there were very significant gains to be had and I haven't seen any articles regarding G92's potential in the same area.
Just curious.
Just curious.
I think the huge OC on the video memory (+500MHz) had more to do with those big gains (which were tested with plenty of AA) than the small OC on the RV670 (the GPU) itself.
I was referring more to the relative overclocking headroom on the GPUs themselves than the card as a whole. But you're right about the overclocking potential of the HD3870 as a complete card, pretty impressive.
Just got some interesting info from The Stilt at MuroBBS 
He's been testing a HD3870, and like pretty much all reviewers who have OCd the card, reached ~860MHz.
He said, that ATI has already released a new BIOS to fix an issue with the current/review cards - they have the PLL VIO divider set wrong, which prevents the cards from reaching over 862MHz on core. However, most of the retail cards should carry the new BIOS, luckily.
He promised to report with the new BIOS on OCs tomorrow
He's been testing a HD3870, and like pretty much all reviewers who have OCd the card, reached ~860MHz.
He said, that ATI has already released a new BIOS to fix an issue with the current/review cards - they have the PLL VIO divider set wrong, which prevents the cards from reaching over 862MHz on core. However, most of the retail cards should carry the new BIOS, luckily.
He promised to report with the new BIOS on OCs tomorrow
Kanyamagufa
Regular
Just got some interesting info from The Stilt at MuroBBS
He's been testing a HD3870, and like pretty much all reviewers who have OCd the card, reached ~860MHz.
He said, that ATI has already released a new BIOS to fix an issue with the current/review cards - they have the PLL VIO divider set wrong, which prevents the cards from reaching over 862MHz on core. However, most of the retail cards should carry the new BIOS, luckily.
He promised to report with the new BIOS on OCs tomorrow
Interesting. Is the core speed likely to visibly improve performance as much as the memory has shown to be capable of? Or is it looking like memory speed will be the determining factor?
Either way, it'll still be interesting to see what the core ceiling is with the new BIOS...
~kanya
Ati seems to have most of the problems with 4xAA/16AF performance... at this settings Nvidia 8800GT has highest advantage against 3870...(19%)
At 8AAx/16AF Ati's new baby beat the green goblin's superstar (aka 8800GT) with 5%(!), as was revealed in this excellent review :
file:///D:/New%20Txt/translate.htm ... ( translated from computerbase.de)
I think this give us food for thinking...lot of...
hope 'the experts among us' will analyze the situation deeper...
At 8AAx/16AF Ati's new baby beat the green goblin's superstar (aka 8800GT) with 5%(!), as was revealed in this excellent review :
file:///D:/New%20Txt/translate.htm ... ( translated from computerbase.de)
I think this give us food for thinking...lot of...
hope 'the experts among us' will analyze the situation deeper...
Hello Revan,
can you kindly share your D: partition over teh internet, give us your ip, so we can read the translation? kkthx.
Hello Revan,
can you kindly share your D: partition over teh internet, give us your ip, so we can read the translation? kkthx.
Does the first poster allow to put the url link and edit his error? :smile:
I remembered this same thing happened to me too
HELLO, sorry - hope this will work
http://www.computerbase.de/news/har...ovember/marktuebersicht_radeon_hd3850_hd3870/
You can try www.computerbase.de if not...
I made a new thread with this subject too (I thought it was important)
http://www.computerbase.de/news/har...ovember/marktuebersicht_radeon_hd3850_hd3870/
You can try www.computerbase.de if not...
I made a new thread with this subject too (I thought it was important)
here is the link to the final charts....but I think the entire article deserved to be read (german quality)
http://www.computerbase.de/artikel/hardware/grafikkarten/2007/test_ati_radeon_hd_3870/28/
...but I think the entire article deserved to be read (german quality)
http://www.computerbase.de/artikel/hardware/grafikkarten/2007/test_ati_radeon_hd_3870/28/
...but I think the entire article deserved to be read (german quality)
learn on the fly...
http://www.google.com/translate?u=h..._radeon_hd_3870/&langpair=de|en&hl=en&ie=UTF8
...for the entire article (engl)
or...
http://www.google.com/translate?u=h...deon_hd_3870/28/&langpair=de|en&hl=en&ie=UTF8
...for the final charts
PS:to moderators- wouldn' t be nice to give us a second chance (for correcting errors ...-an edit button)
http://www.google.com/translate?u=h..._radeon_hd_3870/&langpair=de|en&hl=en&ie=UTF8
...for the entire article (engl)
or...
http://www.google.com/translate?u=h...deon_hd_3870/28/&langpair=de|en&hl=en&ie=UTF8
...for the final charts
PS:to moderators- wouldn' t be nice to give us a second chance (for correcting errors ...-an edit button)
You'll get that once you've posted more
Yeah, it's a pretty interesting article.
As Kaotik said, you'll get to edit posts once you've posted more. In the meantime, a a passing mod might clean things up for you.
As Kaotik said, you'll get to edit posts once you've posted more. In the meantime, a a passing mod might clean things up for you.
Just got some interesting info from The Stilt at MuroBBS
He's been testing a HD3870, and like pretty much all reviewers who have OCd the card, reached ~860MHz.
He said, that ATI has already released a new BIOS to fix an issue with the current/review cards - they have the PLL VIO divider set wrong, which prevents the cards from reaching over 862MHz on core. However, most of the retail cards should carry the new BIOS, luckily.
He promised to report with the new BIOS on OCs tomorrow
So have you heard any update on this yet?
<offtopic>
Minor request here to a moderator, but can we get this thread split out somewhat -- at least the recent and very interesting algorithm discussions? It seems like they might be getting lost in the sea of RV670 discussions.
</offtopic>
Minor request here to a moderator, but can we get this thread split out somewhat -- at least the recent and very interesting algorithm discussions? It seems like they might be getting lost in the sea of RV670 discussions.
</offtopic>
