I saw that thread, but the numbers were all over the place like you just pointed out. I think he was saying 11.xx for 1 card, 23.xx for 2 cards. Which is consistent, and according to what others have said, to be expected given the 128-bit memory bus on the RX 460 compared to 256-bit on the 470 and 480. |
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Works as advertised - very easy to use and OP also offers his time to assist if you have any problems. I haven't measured the energy consumption, but stable around 24-25Mhs
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As you can see, there is a large discrepancy. Any ideas why this is so large? I thought perhaps 5-10%, but this is a factor of 2.
Same difficulty, same USD/LTC price. Same hashrate...
Bitcoinwisdom has not updated either their Litecoin or Bitcoin calculator for when the block rewards halved for each coin. So it is assuming 50 LTC blocks, not 25. |
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What happened to dual miner? All my rigs went offline and unable to connect  Were you running the monitor software? I had a couple go down simultaneously while running the monitoring software once, but it hasn't happened since, and I assumed it was a fluke. |
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That's for 4 total 280x's - 3 Powercolor, and 1 Sapphire, for a total of 85Mh/s, or 21.25Mh/s per GPU. Not bad. |
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So, I take it the price of S9 hasnt been corrected for halving yet? ... looks outrageously overpriced...
Why would the price have to be corrected for the halving? It wasn't a secret. |
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I've worked in semiconductors for 3 years...specifically in chip packaging for companies such as Apple and AMD. Going from 28nm process to 14nm does not imply thermal energy per area stays the same. It also does not imply that the chip area/die shrinks. It usually means transistor dimensions used to build the chip get smaller and heat generated per area usually goes down as the process becomes more efficient. I think your argument is a little flawed as you are associating the 28 vs 14 nm process to the chip's area when it directly relates to the smallest feature of a chip...in this case the transistors.
Thanks for this explanation. Here, it looks like (according to Wikipedia anyway) the die size is 232 mm^2, with 5.7 billion transistors. That's somewhere between Tonga (R9 380) with 5 billion transistors and a 359 mm^2 die size and Hawaii (R9 390) with 6.2 billion with a 438mm^2 die size. So it looks like they did shrink the die size to closer to Trinidad (R7 370, 2.8 billion transistors, 212 mm^2 die size). If I understand this right, there's some room to grow. |
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Is it just me or is everyone else also getting like 10-20%+ less earnings than what calculators suggests these days. Calculator: http://karldiab.com/EthereumMiningCalculator/Mining on dwarfpool and getting almost 10% less. Other pools I tried I might even get up to 20% less. True, I was happy with 90%+ rate from dwarfpool, but that changed like 2 DAGs ago. Right now mining around 84%. Blame uncles and pool luck  Check the calculators often... the difficulty changes constantly, and can sometimes swing +/- 8-10% during a given day. If you're checking it during a low-point, the calculator might be a bit optimistic as the average difficulty will actually be higher. Also, maybe its just my internet connection, but I find that I lose a bit from failovers quite a bit no matter what pool I use. |
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The jump in price works against B1 buyers just as much as it works for them, since to buy batch 1 you had to buy BTC at about 30% less than it's going for now. So someone buying a later unit for the same USD would have to mine back about 30% less coin to break even, which because of diminishing returns from diff increases will mean breakeven more than 30% faster.
Mining almost works as a hedge against a price drop. Mining from late 2014 to fall 2015 led to great returns as difficulty was relatively flat. |
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As soon as people point a lot of renters here, luck goes to mediocre.
it was just fine at 30-35PH and as soon as we get good luck, all those renters jump in and the result is a lot of nothing.
My point also, could be that the problem is actually Nicehash/ westhash when hash is pointed at Kano. Worth investigating? It looks like most of the new hash the past few days comes from 17JVLWM... and they sure are pulling their weight! |
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Wow...after everything there are still people mining Slush ?!?
This is called "an inertia". It is rather a lot of people who mine know variance effects and know that after rain comes sunshine. No need to hurry. Moreover it seems that the sun shines on the pool of slush now! If people truly understood how the variance works, they'd know that past rain has no bearing whatsoever on future sunshine. Maybe a better way to put it is that while it is raining, that is to be expected, because it will rain from time to time. But we can also expect sunshine, because there will be sunshine from time to time. Over a long enough period of time, we are likely to see that we've had the appropriate amount of rain and sunshine. |
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When they sell used miners do they actually state that they are used?
Or do they not say anything and it arrives with dust.
Every one I've bought from them as new came pretty new looking ... but others have reported otherwise. They did sell a batch of S5s as used - I came across one of these - it was very obviously used in an area with poor air quality. |
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My guess is they will refill the stocks soon
At the low, low price of $433. |
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Batch 17 sold out already? Must have been a small one - or lots of people rushing to use the coupons.
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I got an extra spare and since you participated in Phil's group buy, I will let you pay me what you want ;-)
You have a failure or you just need one more ? (I'm just curious)
PM me your address, i'm in Canada. I will ship it monday.
Herb
PM sent (and received) - thanks! It wasn't a failure, just need an extra to separate a couple - they're nice and quiet when they're alone, but not when they group up together. |
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The little thing with the green light (ideally) that connects the miner to the Rasp Pi - preferably from someone in North America. LMK if you have one to spare and a price. Thanks!
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maybe the law changed i have never been charged sales buying imports maybe import taxes , i know i read some place they were trying to change that what state Arkansas sales tax some thing doesn't seem right but dealing with custom is a pain any way if the seller and or shipper mess up the order on the paper work then you eat it .according to that he bought it in Arkansas but if he bought it form bitmain direct hows that poss it was a import right ? . like i said the US was tiring to change that maybe they did for 2016 he being hit for it now i never really understood some of the stuff customs seems to do and try my best to not order out of the US .
The issue is separate from any customs or import taxes. Most states that have a sales tax also have a "use tax" that requires residents of a state that purchase something from out-of-state to pay sales tax on the item. I don't think many people are aware of this - but it means that any time you order something from a company that doesn't have a physical presence in your state (and thus does not have to collect sales tax on behalf of your state), you still have to declare the cost of the item and pay your state's sales tax. |
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500 watts would be nice, but anything under 1 KW would be viable for home mining - if it's better designed for "moderatly quiet efficient" cooling than some recent units have been.
Do note that the S5 wasn't much over 500 watts but still managed to be QUITE loud (my A2 Mega's are about the same noise level, despite *3 to 5* 120mm high-flow fans vs. 1).
Delta focused flow fans (like the FFB series) are nice when you have a restricted flow path (like in the S7) but they're a lot noisier than the AFB line at the same rated CFM level - tradeoff is that the AFBs don't handle high-restriction flow paths nearly as well.
I agree, design certainly matters - I have an Avalon 6 at 1 kw in the same room and barely notice it. It's probably closer to an S3 as far as noise goes. A 7 th/s miner pulling about 1000-1050 should be fine for at-home use if designed as well as the Avalons. |
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Their answer seems pretty honest to me. Optimistic, but not unreasonably so.
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