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Maximum Stable Overclock On Your GPU?

asoxedri said:
your sig says 5870, and is your 4890 stable in games? you don't get restarts or graphic crash then bsod!!? if it is stable do share your method?
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Yep ive sold it now but it was stable i used software to get the core to 1.32 (i think) and bios modded it up to those speeds :D

benched with my [email protected] and was scoring 9800ish in 3dmark vantage
 
Thats pretty impressive gurusan, was the card under water?, i only ever got to 19494, card was using stock cooler, q6600 at 3.8ghz, couldnt get any more from either on air, still have the gtx 280, thinking of adding a second one for sli, still a great card.
 
no but it was with a touch of voltage if I recall correctly. I'm actually thinking about going to nvidia for awhile as the 58xx series are out of my price range and I want something that has a nice quiet, rear-exhausting cooler.

Will look for a 280 or perhaps a 260 216 as they seem to clock very well. I need something else besides this wretched 3870, it was a good card in its time but 2048x1152 is no fun.
 
EVGA GTX295 dual pcb

MAX OC 750/1612/1242 (clock/shader/mem)
runs fine for games/benchmarks

Regular overclock: 702/1548/1242 max oc for Folding@Home which is far more demanding of the cards.
 
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Sapphire 4890 Vapor-X

GPU @ 960MHz
RAM @ 1100MHz

Couldn't be bothered with keeping it like that, benchmarked on 3DMark then let it do its own stuff again.
 
gurusan said:
no but it was with a touch of voltage if I recall correctly. I'm actually thinking about going to nvidia for awhile as the 58xx series are out of my price range and I want something that has a nice quiet, rear-exhausting cooler.

Will look for a 280 or perhaps a 260 216 as they seem to clock very well. I need something else besides this wretched 3870, it was a good card in its time but 2048x1152 is no fun.
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Aye, im ideally looking for an xfx gtx 280 xt to match my current card, like yourself i looked at 58** series cards, (never had an ati card in 5 years of pc usage) i game at 1920x1200, mainly cod4, buying the i7 setup destroyed any budget i had for a new graphics card, hence the idea of picking up a second hand gtx 280, just hope my current thermaltake toughpower 750 psu will cope with 2 of them in sli.
 
Greebo said:
;) Yeah max of card is 1075/1331 on 1.35v watercooled.

Max on sensible voltage is 1000/1300 on 1.25v. You need a lot of volts for the extra 75mhz gain.
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same here 1000 on 1.25v. i haven't upped the memory because it doesn't seem to do much the performance.

the extra voltage for 75mhz isn't really worth it. but good to see.
 
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gareth170 said:
same here 1000 on 1.25v. i haven't upped the memory because it doesn't seem to do much the performance.
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The HD58xx cards don't seem to be starved for memory bandwidth so probably explains why there's little gain in o/c the memory much.

Just to add my card is at 900/1250. Leaving it a little while before I have a proper go at overclocking that core a bit more.
 
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