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Author Topic: GTX 1080 SLI Mining  (Read 11271 times)
betheshooter
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March 22, 2017, 06:25:58 PM
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Leaving out the cost of power consumption...... I was wondering if anyone has tried mining with 2 GTX 1080 cards configured in a SLI setup. Intel i7 6700k. 64MB RAM. I am new and have this hardware. What are your thoughts?
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VirosaGITS
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March 22, 2017, 07:29:31 PM
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I heard they do ok on ZEC, not worth the $/Hash but mining with them when you already have them vs letting them idle may be worth it. Also this is Altcoin related, since you cannot mine Bitcoin with GPUs.
Kompik
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March 22, 2017, 09:39:20 PM
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1100 sols on zec for two 80. You can have decent profit.
kapsel
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March 22, 2017, 09:47:06 PM
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I got similiar setup, 2 1080s will do from 1000-1200 sol/s in zcash depending on power limit and efficiency. 1080s are also good at mining lbry, about 330-400 mhash/s per gpu there.
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March 22, 2017, 10:50:29 PM
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I got similiar setup, 2 1080s will do from 1000-1200 sol/s in zcash depending on power limit and efficiency. 1080s are also good at mining lbry, about 330-400 mhash/s per gpu there.
400 mhash for lbry. Really?
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March 22, 2017, 11:49:05 PM
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I didn't mine lbry in a while now, so I just double checked my miner, but yeah looks like around 400 mhash/s is completely reasonable, 100% power limit using sp-mod lbry #5

https://i.imgur.com/1LdbtMM.png
PovertyByte
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March 23, 2017, 06:51:42 AM
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I got 2 1070's and 1 1080

The hashing boost that the 1080 gets over the 1070 is most prevalent in LBRY and ZCoin
ol92
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March 23, 2017, 08:13:40 AM
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Leaving out the cost of power consumption...... I was wondering if anyone has tried mining with 2 GTX 1080 cards configured in a SLI setup. Intel i7 6700k. 64MB RAM. I am new and have this hardware. What are your thoughts?
Note that it's better to mine without SLI activated: SLI is specific for games (you need to slice 3d computation carefully between gpu). For mining, the repartition of calculus between the gpu is trivial and done by the miner.
SLI or crossfire for amd activated will cause troubles for mining with the driver interfering with the repartition by the miner program.
Tasty Potato
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March 23, 2017, 09:41:49 AM
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Please post your temps and fan speed, I wonder to see 1080 numbers. And add power consumption to the mix -,-
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March 23, 2017, 09:57:50 AM
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Leaving out the cost of power consumption...... I was wondering if anyone has tried mining with 2 GTX 1080 cards configured in a SLI setup. Intel i7 6700k. 64MB RAM. I am new and have this hardware. What are your thoughts?

How much you spend on building this setup. I think it is very huge amount and having an ROI on mining ZEC is quiet hard. Considering that your GPU will not facing any problem during the long run. Do you buy that two GTX 1080 just for mining? Because it is worth it as antminer

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betheshooter
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March 23, 2017, 12:42:30 PM
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1100 sols on zec for two 80. You can have decent profit.

Could you link some setup info? Again, newbie here.
ol92
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March 23, 2017, 03:39:03 PM
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1100 sols on zec for two 80. You can have decent profit.

Could you link some setup info? Again, newbie here.
use EWBF: https://bitcointalk.org/index.php?topic=1707546.0
with +500 at least for memory (ideally + 800-1000 if the card support the oc, ), for the gpu: try to obteain the real boost frequency around 2000mhz (using for instance msi afterburner to oc and monitor actual frequencies).
PovertyByte
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March 24, 2017, 01:20:38 AM
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1100 sols on zec for two 80. You can have decent profit.

Could you link some setup info? Again, newbie here.
use EWBF: https://bitcointalk.org/index.php?topic=1707546.0
with +500 at least for memory (ideally + 800-1000 if the card support the oc, ), for the gpu: try to obteain the real boost frequency around 2000mhz (using for instance msi afterburner to oc and monitor actual frequencies).

I've been wondering what are typical GTX 1080 OC's for mining

I haven't been able to tell if the memory or core was the cause of crashing after a few hours but I got mine past 2050 if I do up the power limit no OV. Where do most 1080's fall on memory OC?

lethax
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March 25, 2017, 06:37:27 AM
 #14

I use my 1080 rigs exclusively for LBRY. stock EVGA FTW do 400MH/s on lbry without additional OC. 1070s are for zec.

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March 25, 2017, 07:18:52 AM
 #15

Gtx 1080 asus max 362 Mh/s on my platform.

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