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*****OcUK Benchmark Results from ATI HD 69xx Series*****
- Thread starter Gibbo
- Start date
Soldato
I think the whole 2gb thing on the cards is done for 2 reasons:
1. To the average user, they will see 2gb on the AMD cards compared to 1.2 or 1.5 onthe Nvidia's and get a bit blinded by the marketing.
2. The 2gb of ram, really becomes apparent when crossfire vs sli is compared. No more memory bottle for the AMD cards.
I think its about time anyway, that video cards start having 2g of ram, might as well lift the memory bottle neck.
1. To the average user, they will see 2gb on the AMD cards compared to 1.2 or 1.5 onthe Nvidia's and get a bit blinded by the marketing.
2. The 2gb of ram, really becomes apparent when crossfire vs sli is compared. No more memory bottle for the AMD cards.
I think its about time anyway, that video cards start having 2g of ram, might as well lift the memory bottle neck.
could be jus your cards top at stock. I mean, look at some reviews I don't see that many of them reaching the clocks Gibbo did. could be something else being a factor though.
You haven't mentioned the most important one, Eyefinity. One of the selling points for their high-end products.
The way I did it was this:-
Open up overdrive, slide power control too +20 and fan too 65%
The open MSI after burner and push the clock speed and memory speed. Click apply, then set up a manual fan profile, click apply.
Then go back to overdrive you should now only have two sliders, power control and fan, set power control to +20, leave fan as is, press apply.
Now test for stability.
I will be amazed if you can't get past 900MHz, everyone I have used now which is 6 cards all hit over 900MHz using the above method.
However if your in Crossfire you can't overclock the second card, apart from only in overdrive, I just got blue screen of death even if I tried to downclock the second card which clearly means for crossfire OC support in MSI afterburner needs a patch/fix update.
quick question by using the power control would it vold the warranty with ocuk?
i just tried 10.11 driver i can get to 910 without the power control
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No it won't void your warranty.
We allow our customers to overclock their cards as much as they wish, we are overclockers UK afterall.
The only way you will void your warranty is if you start removing the cooler or modifying the card in someway like soldering different resistors on it etc.
ohhh i really didn't know this, it's good to know, i think that's great that ocuk does this, thank u mate,No it won't void your warranty.
We allow our customers to overclock their cards as much as they wish, we are overclockers UK afterall.
The only way you will void your warranty is if you start removing the cooler or modifying the card in someway like soldering different resistors on it etc.
. i forgot to say mine a HIS card.
does that go for all card makes?
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Soldato
I'm just trying to do this overclocking with afterburner for me HIS 6950, but everytime I move the clockspeed slider to 900mhz for the core and hit apply, it just drops straight back down to 800mhz again.
Any ideas?
Any ideas?
Im using a 580 and my Arma 2 is loving it,even in CF.
The HIS cards come with two adaptors - one DOUBLE-MOLEX-6PIN and one DOBLE-MOLEX-8PIN
Great thanks for that.
I haven't tried to clock mine yet , does it matter which dvi port you use?
nope shouldn't matter.
I've had afew problems when i've been AFK the pc has rebooted by itself and it's not just me my BF has had the same problem and i'm on x58 platform he is on P55, Same drivers so i'm guessing it's driver problems or the Early launch Ref bios sucks he has a gigabyte i'm on a HIS.
My 6970 giving me strange gfx rendering shapes in WoW Cataclysm even after changing drivers and my 5870 never did it so got no idea what else it could be. 
Anyone else experienced this? other games seem fine so far but not tested much yet.
Anyone else experienced this? other games seem fine so far but not tested much yet.
My 6970 giving me strange gfx rendering shapes in WoW Cataclysm even after changing drivers and my 5870 never did it so got no idea what else it could be.
Anyone else experienced this? other games seem fine so far but not tested much yet.
Played a lot of Black ops with no issues also done a bit of benching and seems fine in those also
ATI Radeon 6950 in Crossfire @ 840MHz Core & 5300MHz Memory
Finally got my 2 x 6950s through along with a new Corsair AX850 PSU. I've clocked my i7 920 to 3.8Ghz.
Does anyone have any suggestions as to why my min FPS is so low (under half) compared to the above in the orginal post? The min fps in the benchmark seems to drop from 50 odd to 25 or so at the same points in the benchmark.
Crossfire is enabled and im running the 10.12a drivers. Both cards have power of course
The board has 2 x PCI-E 16x slots, is there any bios settings i should check. PCI clock freq is 100.