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[Official] AMD Radeon HD 6850/6870 Owners Thread - Page 372

post #3711 of 6939
Wow.. Haha. Grabbed the Accelero S1 Rev. 2 and threw it on. At 950/1150 stock cooler hit 70c at 60% fan speed. With the new cooler and a 120mm blademaster running at 2000rpm(more then half as quiet as the stock blower fan at 60%) and I hit 53c in furmark.

Should be able to get over 1Ghz pretty easily now, as before it hit 80 and that's way to hot for me, personally. Damn good results for 25 bucks Canadian.

Only thing I had to do was bend the fins on the VRM sinks to accommodate the caps. Easy enough to do though. VRM temps dropped 10-15 degrees as well.
Edited by Horsemama1956 - 5/22/11 at 10:54am
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post #3712 of 6939
can you let me know your overclock settings on the 6870 once you go past 1ghz? ^
Thanks
    
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post #3713 of 6939
MSI Twin Frozr II HD 6870. Would love to join the club!

post #3714 of 6939
Quote:
Originally Posted by Point Blank Rob View Post
can you let me know your overclock settings on the 6870 once you go past 1ghz? ^
Thanks
Sure. What are you at now clock and voltage wise?
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post #3715 of 6939
Quote:
Originally Posted by Horsemama1956 View Post
Sure. What are you at now clock and voltage wise?
I'm on stock voltage at 1000mhz core clock and 1250mhz memory clock.
I only stopped there since those are the limits on msi afterburner and I havent managed to change the cfg file to get it to let me go higher.
    
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post #3716 of 6939
Quote:
Originally Posted by Point Blank Rob View Post
I'm on stock voltage at 1000mhz core clock and 1250mhz memory clock.
I only stopped there since those are the limits on msi afterburner and I havent managed to change the cfg file to get it to let me go higher.
Do you think I could go that high too? I am at 970/1100 with my Twin Frozr II 6870 and it stays under 65 degrees on load. No problems with Crysis benchmark tool or 3DMark11.
post #3717 of 6939
Quote:
Originally Posted by ComradeNF View Post
Do you think I could go that high too? I am at 970/1100 with my Twin Frozr II 6870 and it stays under 65 degrees on load. No problems with Crysis benchmark tool or 3DMark11.
overclocking on stock voltage should not increase temperatures because the only reason temps increase is because a higher voltage is used.
I would say you should be able to go for it.
Mine doesnt go above 56C, but it was the same when I was running stock
    
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post #3718 of 6939
Quote:
Originally Posted by Point Blank Rob View Post
I'm on stock voltage at 1000mhz core clock and 1250mhz memory clock.
I only stopped there since those are the limits on msi afterburner and I havent managed to change the cfg file to get it to let me go higher.
My card seems to want more voltage then it should with memory increases. Having tested memory, it doesn't seem like these cards are even close to memory bandwidth limited, so I'm leaving it at 1100 for now, with stock voltage I'm at 1GHz core. Hit 53c in 3 runs of 3dmark11, and 62 in Furmark.

Not sure if there is much benefit to going over 1Ghz, but I'll probably try for 1100 later, just to see. Looks like I'm about 15-18c down in temps over the stock reference 6870 cooler @60%, which was WAY too loud. Starcraft 2 only hit 49c, which is about 20c down.
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post #3719 of 6939
totally agree the reference coolers on these are absurdly noisy, i love my accelero xtreme plus, probably the best value for money item on my pc i would argue.
    
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post #3720 of 6939
after reading Point Blank Rob's post that he has 1000/1250 @ stock voltage
i said to myself hey why not try it

& i did luckily i was successful

20 mins Furmark Extreme Burning Mode, Displacement Mapping & Post FX


    
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