Viable Nvidia Mining - Cudaminer

BossToss said:
I'm getting 750 KH/s with my 780 Ti @ 1280mhz :D
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I've bumped mine up to 730 KH/s with my 780Ti @ 1215mhz and 1.050 vcore. Any higher and I need to start upping voltage past that point. My goal is <500w at the wall, <80C on the core and <75% fan speed. Mining solely Dogecoin has worked out tremendously for me. Value has been skyrocketing. I bought 6 LTC worth of Doge a week or so ago @ ~$160 Dogecoin value when I bought in and it's worth $630 now equivalent. Still mining away too.
 
SilverSliver said:
I've bumped mine up to 730 KH/s with my 780Ti @ 1215mhz and 1.050 vcore. Any higher and I need to start upping voltage past that point. My goal is <500w at the wall, <80C on the core and <75% fan speed. Mining solely Dogecoin has worked out tremendously for me. Value has been skyrocketing. I bought 6 LTC worth of Doge a week or so ago @ ~$160 Dogecoin value when I bought in and it's worth $630 now equivalent. Still mining away too.
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That's pretty good considering my 280x can crunch the litecoin in 790kh. Looks like you guys can join the overpriced videocard prices :)
 
Word to the wise. My 780Ti fried today due to, what I think, was completely inadequate VRM cooling that were not meant to handle constant prolonged mining load. My ACX cooler had bare VRMs and 90% of them burned out today. Just a heads up.
 
SilverSliver said:
Word to the wise. My 780Ti fried today due to, what I think, was completely inadequate VRM cooling that were not meant to handle constant prolonged mining load. My ACX cooler had bare VRMs and 90% of them burned out today. Just a heads up.
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And I was just going to start mining on my Tri-Sli Titans. Thanks for the headup :(
 
SilverSliver, were you using a modded bios with unrestricted power limit and/or overvolted your card by any chance?

I've also started mining on a 780ti sc acx since the new Z kernel came out and I can get 750kh/s+ on stock settings but I'm morbidly concerned that I might wreck my new card which makes me uneasy about leaving my rig mine unattended.

Your warning post already stopped me from unlocking the bios to crank it up a notch and the only thing I've done so far was to slide the power target to 106% and let the stock bios do the rest. Right now, it's settled at 1124mhz with 1.025V and 58 degrees. If that's not a safe setting, I'm planning on underpowering it even more.
 
I might also give this a try. I have dual gtx 680's watercooled. If it gets me a few bucks, it's cool. It also helps that I have cheap electricity.
 
fruits said:
SilverSliver, were you using a modded bios with unrestricted power limit and/or overvolted your card by any chance?

I've also started mining on a 780ti sc acx since the new Z kernel came out and I can get 750kh/s+ on stock settings but I'm morbidly concerned that I might wreck my new card which makes me uneasy about leaving my rig mine unattended.

Your warning post already stopped me from unlocking the bios to crank it up a notch and the only thing I've done so far was to slide the power target to 106% and let the stock bios do the rest. Right now, it's settled at 1124mhz with 1.025V and 58 degrees. If that's not a safe setting, I'm planning on underpowering it even more.
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I was using skyn3t bios but was undervolting the card to 1.05v. Was a GREAT gaming card, just was not designed for constant load on the VRM's like you see while mining. I have since switched back to an AMD card with dedicated VRM cooling for mining.

f0UMNYT.jpg
 
SilverSliver said:
I was using skyn3t bios but was undervolting the card to 1.05v. Was a GREAT gaming card, just was not designed for constant load on the VRM's like you see while mining. I have since switched back to an AMD card with dedicated VRM cooling for mining.

f0UMNYT.jpg
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What an awful design. Literally zero VRM cooling?
 
Unknown-One said:
That's the ACX cooler for you...

I have a sneaking suspicion the Nvidia reference cooler does a better job keeping the VRMs cool.
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I had no idea. I had only heard positive things about the ACX cooler. EVGA usually has excellent designs at least in terms of their custom PCBs so this surprises me.
 
SilverSliver said:
Zero cooling on the VRM's. Which, again, is fine for this card while gaming. It is not fine if you are mining days at a time.
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VRMs tend to run really hot though when you overclock so I find it hard to see how they'd market a card for gaming and then not cool the VRMs. But maybe to them gaming != overclocking, who knows. I just know that every reference cooler I've seen places a heatsink over the VRMs so.. it seems a poor decision to skimp on that area of the card.
 
What's a good temperature target for 24/7 mining with a 770? I have Afterburner power/temp limits set so it hovers around 69-70 C with a custom fan profile. I'm just playing around cudaminer for the first time and I really don't want to burn out my main gaming GPU.

One thing that worries me is even with that temp target of 70 and the -i 1 flag, GPU-Z is still showing 98-99% GPU load. Should I try lowering my K8x32 number down a bit (to lower the load to 90%, for example)?
 
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