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Author Topic: Good clock settings for XFX 5830, Sapphire 5830 and 5850?  (Read 1658 times)
WebWolf
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April 16, 2012, 02:49:03 AM
 #1

Hey guys, I could really use some input. I have been struggling trying to find a decent clock (GPU/ Memory) that would max my performance, but trim a bit of heat. Mostly memory clocks are bugging me. I am running cgminer (currently in Windows, boo.). What clocks do you guys use?
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RandomQ
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April 16, 2012, 03:58:53 AM
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I'm using a memory speed of 300 to trying to cut down heat and Power Consumption. If your not using clocktweak yet you might want to check it out it works great for me, and a cheap value @ only .20 BTC.

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TheOtherGuy
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April 16, 2012, 04:43:14 AM
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I have 2 5830's running at 950/300. They are running 300 Mh/s. What do you mean the mem clocks are bugging you?

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Xmufa23X
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April 16, 2012, 04:46:28 AM
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OP, I am running three Sapphire Xtreme 5830s on one machine at 1010/300 getting 327MH/s each.

However my XFX 5830 (on other machine) crashes every few days no matter what core/mem is set to. Haven't figured it out yet. Might just sell it, and get more Sapphires. They don't seem to crash on me.
WebWolf
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April 16, 2012, 11:58:45 PM
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I have 2 5830's running at 950/300. They are running 300 Mh/s. What do you mean the mem clocks are bugging you?

Thanks, it was just that I could never find a good setting that would not drag down the hash speed. I will give 300mhz for the memory and see how they go.
WebWolf
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April 17, 2012, 12:02:51 AM
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OP, I am running three Sapphire Xtreme 5830s on one machine at 1010/300 getting 327MH/s each.

However my XFX 5830 (on other machine) crashes every few days no matter what core/mem is set to. Haven't figured it out yet. Might just sell it, and get more Sapphires. They don't seem to crash on me.

Yeah! My XFX always has a ton of hardware errors when I check it, and it can't clock as high either! It was my first card I got, I picked it up mostly for the lifetime warranty, but I will probably never get any more. I can't even take the sink off without voiding the darn thing.
Thanks for the info, I'll give it a shot.
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April 18, 2012, 03:33:38 PM
 #7

I run my 5830's at 970-1000 and 300mhz ram. dropping the ram speeds can drastically drop the temperatures.

cgminer is nice because you can specify the ram clocks and gpu clocks in the conf file. You can also specify fans speeds. ( <85% for longevity )
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April 19, 2012, 09:56:35 PM
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I used to run 2 Sapphire 5830s at 950/300 for stability under Windows. I found a tool called aoclbf and I used it for over/underclocking and it also has a way to configure miners. I had more luck with GUIMiner and phoenix and got around 310 mh/s from each card. Temps stayed in the 70s and each card needed around 140 W from the wall if I remember correctly.
WebWolf
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April 20, 2012, 03:39:37 PM
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I used to run 2 Sapphire 5830s at 950/300 for stability under Windows. I found a tool called aoclbf and I used it for over/underclocking and it also has a way to configure miners. I had more luck with GUIMiner and phoenix and got around 310 mh/s from each card. Temps stayed in the 70s and each card needed around 140 W from the wall if I remember correctly.

  Cool, that sounds great. I have clocked down the memory, saved a TON of heat, fans stay really low. However, my 5830s average around 280-290 mh/s in cgminer, I might try GUIMiner with phoenix and different mining programs to see if I can get any higher. Thanks for the info!
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April 20, 2012, 08:20:56 PM
 #10

in cgminer in the conf make sure you are using the phatk kernel not the poclbm. worksize should be 128 or 256 vectors 1.
WebWolf
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April 24, 2012, 03:22:04 PM
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in cgminer in the conf make sure you are using the phatk kernel not the poclbm. worksize should be 128 or 256 vectors 1.
Great, thanks. It looks like I need to try some different settings like that, I appear to be mining slower than most people report.
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