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Title: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: lightlord on March 28, 2016, 06:05:03 PM 3X7970 Rig.
https://i.imgur.com/iZom3xD.png The settings are as follows: 1035 Core / 1450 Memory --cl-local-work 256 --cl-global-work 8192 flags I use. I see threads where ppl get 24 MH/Card. Or 72 MH in total. However I manage much much less. Radon 15.12 is the version I use. The image shown above shows the hashrate I get. How do others manage much faster speeds? ~53 MH seems in the image above, 17.6 MH/Card for the 7970 card. I am using Ethereum 0.9.41 as it shows the hashrate of the cards. However I believe it being an earlier miner version still achieved same speeds on other ppl rigs accordingly. Is there any settings or flags extra for additional performance? Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Charloz24 on March 28, 2016, 06:17:22 PM Are you sure your 3 GPU are working, seems like 2 GPU hashes, just look on device manager to be sure.
Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Naficopa on March 28, 2016, 06:18:33 PM You may try this configuration,
ethminer --cl-global-work 16384 --cl-local-work 64 and other parameters. Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Rukusilf on March 28, 2016, 06:20:15 PM It is not possible to get 24 MH/s any more. The DAG file is too large, so the hash rate drops.
Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: lightlord on March 28, 2016, 06:33:44 PM https://i.imgur.com/YiUx9qD.png
Image above is using "--cl-local-work 64 --cl-global-work 16384" it does seem to be slightly faster, but still no where near what others seem to get Even at like 22MH per card would get 66 or so Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: lightlord on March 28, 2016, 06:39:40 PM https://i.imgur.com/23w2Nso.png
Here it is using 1070/1500, tried everything. To no avail, just seems hopeless. I don't know how others achieve these performances. Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Hatuferu on March 28, 2016, 06:44:38 PM Can you try 1000/1250? I think the driver version does not affect the Ethereum mining preformance.
Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: PontiacGTX on March 28, 2016, 07:07:02 PM Flash it to 280x bios with same memory IC and try 256 16384
Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: antantti on March 28, 2016, 08:59:20 PM Days when 7970/280x did 24-25MH are long gone, nowadays 1100/1500 gives you ~20-21MH. How are your temps?
Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: adaseb on March 28, 2016, 11:31:04 PM What is the brand of your 7970? Maybe you got the cheap Elpida memory.
Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Ayers on March 29, 2016, 06:45:33 AM What is the brand of your 7970? Maybe you got the cheap Elpida memory. yesh probably this, this is why i avoided amd, they have this terrible hassles of the memory to deal, with, with nvidia i never expereienced this problem, you have what you bought Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Gotomoon on March 29, 2016, 06:55:02 AM What is the brand of your 7970? Maybe you got the cheap Elpida memory. In the days of 7970, the Elpida memory was slower than Hynix. Nowadays, it is similar to Hynix in performance. Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: PontiacGTX on March 29, 2016, 02:59:15 PM What is the brand of your 7970? Maybe you got the cheap Elpida memory. yesh probably this, this is why i avoided amd, they have this terrible hassles of the memory to deal, with, with nvidia i never expereienced this problem, you have what you bought Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Gotomoon on April 09, 2016, 01:46:45 PM What is the brand of your 7970? Maybe you got the cheap Elpida memory. yesh probably this, this is why i avoided amd, they have this terrible hassles of the memory to deal, with, with nvidia i never expereienced this problem, you have what you bought The 390 can do 30~32 MH/s. The fastest 980x can only do 23~25 MH/s. But the AMD cards uses more energy. Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: ingvarfervent on April 09, 2016, 03:50:46 PM Days when 7970/280x did 24-25MH are long gone, nowadays 1100/1500 gives you ~20-21MH. How are your temps? True. Win 7 x 64. Genoil 1.0.5. My 7970 ( 1000\1500 ) = 20.9 MH\s Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Rukusilf on April 19, 2016, 11:28:40 AM Days when 7970/280x did 24-25MH are long gone, nowadays 1100/1500 gives you ~20-21MH. How are your temps? True. Win 7 x 64. Genoil 1.0.5. My 7970 ( 1000\1500 ) = 20.9 MH\s I mine with the 7970, but with 830/1250. The hash rate is just 18.x. I tried to save the electricity. Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Amph on April 19, 2016, 11:34:30 AM What is the brand of your 7970? Maybe you got the cheap Elpida memory. yesh probably this, this is why i avoided amd, they have this terrible hassles of the memory to deal, with, with nvidia i never expereienced this problem, you have what you bought i can do 160w 22 mega with a 970, i doubt the 390 is better and they both cost the same Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Gotomoon on May 01, 2016, 06:53:00 PM What is the brand of your 7970? Maybe you got the cheap Elpida memory. yesh probably this, this is why i avoided amd, they have this terrible hassles of the memory to deal, with, with nvidia i never expereienced this problem, you have what you bought i can do 160w 22 mega with a 970, i doubt the 390 is better and they both cost the same A R9 390 can do 29 MH/s at around 210 W, that is about 7.2 J/MH. The 970 is also 7.2 J/MH. So they are similar. Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Amph on May 02, 2016, 06:03:55 AM What is the brand of your 7970? Maybe you got the cheap Elpida memory. yesh probably this, this is why i avoided amd, they have this terrible hassles of the memory to deal, with, with nvidia i never expereienced this problem, you have what you bought i can do 160w 22 mega with a 970, i doubt the 390 is better and they both cost the same A R9 390 can do 29 MH/s at around 210 W, that is about 7.2 J/MH. The 970 is also 7.2 J/MH. So they are similar. well i said better not equal, it's better to go with nvidia if they are equal, nvidia is more easy to sell when you don't need it the 970 is the best card for gamers at the moment Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: CorePrime95 on May 02, 2016, 07:43:54 AM The 390 gives more mhs per pcie slot. Also it has lower roi time.
Title: Re: [ETH-Mining] 17 MH/7970 Much lower then expected, any help is appreciated Post by: Naficopa on May 18, 2016, 07:45:27 AM In one thread, it advises on the undervolting of the XFX R9 390. You can achieve around 6.5 J/MH efficiency.
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