ASUS R9 290X DirectCU II - Hash Rate

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Boykai

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Dec 3, 2013
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Anyone know about the new non-reference R9 290Xs and whether or not they have vastly different hash rates?

I read a review on newegg for the ASUS non-reference cards, stating that they are getting 650khash while the MSI cards are hitting 1000khash.

ASUS
http://www.newegg.com/Product/Product.aspx?Item=N82E16814121840

MSI
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127773



Can anyone confirm or deny these hash rate differences?
Do you think it's a problem with the mining settings? or BIOS?

Thanks
 
Solution
C
Theoretically, two cards using the same chip should have the same hash rates. That being said, the Asus card has a higher core clock (1050 MHz) compared to the MSI card (1000 MHz Silent, 1030 MHz Gaming, 1040 OC mode). Shouldn't make that much of a difference, though.

I'd guess a problem with settings somewhere.

Casey
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cklaubur

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Oct 4, 2006
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Theoretically, two cards using the same chip should have the same hash rates. That being said, the Asus card has a higher core clock (1050 MHz) compared to the MSI card (1000 MHz Silent, 1030 MHz Gaming, 1040 OC mode). Shouldn't make that much of a difference, though.

I'd guess a problem with settings somewhere.

Casey
 
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Stingray454

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Feb 13, 2014
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I just got the ASUS card a few days ago. After trying a lot of different settings, it seems the card runs best with underclocked core. I run the following settings:

-g 1 -w 512 --thread-concurrency 32765 --gpu-core 920 --gpu-memclock 1500

That gives me a very stable 890 kh/s and I was also able to undervolt the card a ton (voltage is around 0.97 according to GPU-z and and it has so far been running for 2 days without problems). Saved 80w and gained almost 200kh/s compared to my 280x that I exchanged :)
 
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cklaubur

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That makes me wonder if the card was running hot and throttling itself.

Casey
 
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Stingray454

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Feb 13, 2014
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I did some research, and apparently the ASUS card has Elpida memory, the "worse" kind. Those cards all max out at around 880-890 kh/s. Cards that have Hynix memory are much better at mining, as mining is very memory dependent and that type of memory is faster / has less latency, or whatever it is. Those cards often go to 950-1000 kh/s.

I found that there are modified BIOS version floating around with "fixed" memory handling for Elpida cards that can improve the hashrate (reports of 950:ish on the ASUS card with upgraded bios).

So, in short - expect 880-890kh/s on ASUS DirectCU II OC cards. If you are comfortable in trying to flash the bios and tinker with settings you might reach mid-900 somewhere. Personally I'll just stick to 890 hashrate, as my card runs cool with low fan rpm (small and tight case) and I don't want it to go much hotter. Also, I could undervolt it a lot, saving both temperature and watts, whereas bios flashing seems to require overclock/overvolting to get to 950:ish.
 
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antony209494

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Mar 1, 2013
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I used your settings. I can confirm that underclocking the engine drastically improves hashrate. With default clocks I only achieved a mere 600 Khs. The moment I reduced the engine clock to 920 it immediately went up to 850. Couldn't achieve your stable 890 though. Yeah the Elpida memory kinda screws mining.
 
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Yellowsub

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Mar 15, 2014
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I just picked up two of these cards myself. I am having very little luck getting them to go any faster than 580-600k/hash each. The temps are very low (GPU 0=60c, GPU 1=66C). I tried slowing them down to 920MHz as suggested. My cards crash if I set the memory to 1500MHz. I'm running them at 1400MHz right now.

Any ideas? Maybe I should return them...
 
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Guest

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Hi. I first got this card too, due to being a beginner and thinking that "the best is R9 290X, the most expensive is R9 290X, so it MUST be the best at hashrating". In time I learned not only that it was not true, but also I learned a lot about video cards, thread concurrency, gpu, memory, rigs etc

My card: Asus AMD Radeon R9 290X OC 4GB DDR5 512Bit DirectCU II

As you say, the card couldn't hash more than 500kh/s under no (default) circumstance. Through many many trials and errors, lockups and reboots, I have somehow managed to reach a stable 880kh/s.
This is still disappointing as I thought this card will do much better (somehow I thought that based on some Internet hardware recommendations, this card would reach at least 1.2Mh/s).
At the time I got this card, the state-of-the-art card was the dual-gpu HD7990, said to be the only one to break the 1Mh/s barrier.

I tried with the default shaders, then OC'd the memory, the GPU, raised the thread concurrency, tried different values of intensity.
Nothing worked in the upward overclocking, so, while going as high as possible on the MemClock, I actually underclocked the GPU for a better hashrate!

I'm using bfgminer-3.1.4, and my settings are:

setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_USE_SYNC_OBJECTS 1
.\bfgminer-3.1.4-win64\bfgminer.exe --scrypt -o MY_WALLET_IP -u user -p pass --gpu-engine 920 --gpu-memclock 1500 --thread-concurrency 33810 --lookup-gap 2 --gpu-powertune 20 -w 256 -g 1 --intensity 20 --gpu-threads 1 --auto-fan --temp-target 77 --temp-overheat 80 --log 5

This is my config for a Scrypt stable hashrate of 880kh/s, and around 340kh/s hashrate on N-Scrypt (like Vertcoin), with a 75C temperature and 43% cooler fan.
Any value over 920Mhz on the GPU locks the system, as well as any higher MemClock, TC or GT.

An important notice is that all this "rig" consumes 330W constantly, measured on the killawatt.

If there is anyone out here who manages to get a higher hashrate on this card, will be praised for eternity.:bounce:

I have later got another card without the "X", an Asus AMD Radeon R9 290 OC 4GB DDR5 512Bit DirectCU II.
For only 70% of the 290X's price, the 290 hashes with no problems 890kh/s constantly, with the same settings but the GPU Clock which I could raise up to 1000Mhz.
 
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