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Title: Oh not another "i cant get the full hashrate" Thread Post by: therealbigcoin on February 11, 2014, 10:10:07 PM You surely annoyed of all this threads but i cant find any solution working and i deffinitly tried alot .
I just have 2* Gigabyte 280x , and i got 2 different Hashrates. I proofed Power, temp, clockspeed .. nothing works. here a Pic of different hashrates: https://i.imgur.com/AXuKGQ3.jpg And here my settings (im on linux) : https://i.imgur.com/3FnICc6.jpg Maybe because one pcie is v 3.0 and one is 2.0 ? Greetings Title: Re: Oh not another "i cant get the full hashrate" Thread Post by: Gator-hex on February 11, 2014, 10:15:19 PM No two graphics cards are ever the same it's just a silicon lottery.
Title: Re: Oh not another "i cant get the full hashrate" Thread Post by: ehalvers on February 11, 2014, 10:38:07 PM I have 2 Gigabyte 280x's hashing away at 760-775 kh/s with these settings:
-I 13 --gpu-engine 1100 --gpu-memclock 1500 --thread-concurrency 8193 -g 2 --lookup-gap 2 You can try to lower the engine clock to around 1070-1090 and that should give you around 750. You can also try to set the memclock to 1499, see if that helps, the sweet spot for the thread concurrency on these 280x's seems to be around 8192 +-1. But as Gator-hex said, not all two cards are the same, good luck! hope my setting guide you in the right direction. Also try sgminer, look on the litecointalk forums for the download, great cgminer fork Title: Re: Oh not another "i cant get the full hashrate" Thread Post by: crazyates on February 11, 2014, 10:40:09 PM https://bitcointalk.org/index.php?topic=447907.msg5049180#msg5049180
Title: Re: Oh not another "i cant get the full hashrate" Thread Post by: therealbigcoin on February 11, 2014, 11:39:50 PM OH YESS thank you so much , sgminer with this settings get it to 745 :D i feel so wooow would donate some mined Dodge .
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