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Author Topic: Nvidia more efficient to mine scrypt?  (Read 4811 times)
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February 21, 2014, 11:01:24 AM
 #1

Just stumbled upon this article. 60 watts - 242kh/s. No power connectors required.

http://www.forbes.com/sites/jasonevangelho/2014/02/20/nvidia-is-about-to-steal-the-cryptocurrency-mining-crown-from-amd/

I see now the thread is in the wrong forum. If there is a moderator, I kindly request that you move it to the appropriate board. Thank you!

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February 21, 2014, 12:19:35 PM
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Really? Would not believe until I tested it..
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February 21, 2014, 12:20:22 PM
 #3

Thanks, that's amazing news! Cool I would never have seen it if it had been squirreled away in the Alt coin section.

Really? Would not believe until I tested it..
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"Tom’s Hardware discovered it, and I’ve been able to replicate their findings with multiple 750 Ti cards from both Nvidia and PNY."

Nvidia stock to the moon!  Wink

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February 21, 2014, 12:26:19 PM
 #4

750Ti is a budget and low-power card and it is already at 285 khash. That's because of the new Maxwell architecture used in the card. Imagine the higher end cards NVIDIA will release with Maxwell and where the mining power can go. AMD is back to the drawing board again.

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February 21, 2014, 12:32:25 PM
 #5

750Ti is a budget and low-power card and it is already at 285 khash. That's because of the new Maxwell architecture used in the card. Imagine the higher end cards NVIDIA will release with Maxwell and where the mining power can go. AMD is back to the drawing board again.

Why would AMD be going back to the drawing board? Are they specifically designing their graphics cards to target miners?
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February 21, 2014, 01:21:55 PM
 #6

750Ti is a budget and low-power card and it is already at 285 khash. That's because of the new Maxwell architecture used in the card. Imagine the higher end cards NVIDIA will release with Maxwell and where the mining power can go. AMD is back to the drawing board again.

Why would AMD be going back to the drawing board? Are they specifically designing their graphics cards to target miners?

No-one buys AMD GPUs for gaming - really, mining is the only reason anyone would buy an AMD card.  nVidia's cards and drivers are better than AMD's, always have been.

Now that the mining niche is gone, there's really no good reason to buy AMD.

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February 21, 2014, 01:48:19 PM
 #7

750Ti is a budget and low-power card and it is already at 285 khash. That's because of the new Maxwell architecture used in the card. Imagine the higher end cards NVIDIA will release with Maxwell and where the mining power can go. AMD is back to the drawing board again.

Why would AMD be going back to the drawing board? Are they specifically designing their graphics cards to target miners?

No-one buys AMD GPUs for gaming - really, mining is the only reason anyone would buy an AMD card.  nVidia's cards and drivers are better than AMD's, always have been.

Now that the mining niche is gone, there's really no good reason to buy AMD.
AMD tends to have a significant price/performance advantage in the entry-mid range (<$300), while Nvidia tends to have a significant price/performance advantage in the higher range (>$300). They've had these niches carved out forever, so depending on what you generally spend, you'll probably end up with a bias -- that's my theory, anyway. It's fairly easy to check by looking at popular cards. A 270x is significantly less expensive and more powerful than a GTX 660, while a 290 is significantly less powerful and more expensive than a GTX 780.

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February 21, 2014, 01:50:52 PM
 #8

The wattage is nice but Frys is selling the 750 for $160+tax.  I could get a 7870 for that price.

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February 21, 2014, 02:07:43 PM
 #9

AMD's drivers really do blow chunks, though.  The amount of ballsing about to get them mining.

On a nVidia machine, just run cudaminer and it's hashing.  No SDK voodoo, no dodgy driver versions. 

Definitely thinking of getting a couple of 750Ti to replace my clapped out old 7770 and 7850 cards.

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February 21, 2014, 02:18:11 PM
 #10

Flawed article in every way.

This is a low end card, which doesn't put out much khash. A high end card will cost what 780s used to cost and that is 700+. Power requirement for those cards is slightly less than AMD but cost signifanctly more.

Plus by the time Maxwell is out, which is a long way out, AMD will have a new architecture
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February 21, 2014, 02:22:35 PM
 #11

http://www.pcper.com/news/General-Tech/NVIDIA-Coin-Mining-Performance-Increases-Maxwell-and-GTX-750-Ti

Actually quite impressed with the hash / watt.

That being said....I am not gonna pay +~$150 or more for a card that doesn't even break 300khs.
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February 21, 2014, 05:39:00 PM
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Will be interesting to keep an eye on the new Maxwell high end iterations.
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February 21, 2014, 06:13:37 PM
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However much you save on electricity, you will lose several times over in infrastructural costs. You will need more cards to get the same speed, meaning bigger and/or more motherboards in your miner.
Additionally, overclocking the 750 is a big no-no. PCIe power draw is capped at 75W, while this card draws 68W already. So unless you get an auxiliary power connector for every card on your miner, get ready for the lovely smell of well-done PCB. Even if you supply the 750s with the right environment, they are still budget cards and will not survive as long under a reasonable overclock.

Methinks the author of the article has never dealt with building a miner himself and all that impresses him is the hash-to-watt ratio.

I agree with Wirel though, a high-end Maxwell GPU might be well worth considering. A bit like what AMD did with the HD 6*** generation - slightly slower, but much more power efficient than the HD 5***.
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February 21, 2014, 06:47:32 PM
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Exactly!!! In order to get the same speeds as say a 280x, you will need 3 times as many cards. Its already an issue getting more than 4 cards to work properly. You will need more motherboards, more memory, more risers, etc...

People writing these articles are looking in one direction. Yes it saves money on power, but the rest of the expenses will far outweigh that benefit.
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February 21, 2014, 07:33:44 PM
 #15

Not worth to mine with Nvidia
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February 21, 2014, 08:00:37 PM
 #16

AMD's drivers really do blow chunks, though.  The amount of ballsing about to get them mining.

On a nVidia machine, just run cudaminer and it's hashing.  No SDK voodoo, no dodgy driver versions.  

Definitely thinking of getting a couple of 750Ti to replace my clapped out old 7770 and 7850 cards.
Yeah, as a gamer I rather have Nvidia and it's drivers, but the voodoo and immaturity has to do with AMD coming later to GPGPU and sooner to mining. On recent drivers you don't need SDK


 
 
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February 21, 2014, 08:45:29 PM
 #17

one 7950 230Euros Avg 600Khs, 1 GTX 750 150Euros Avg 280Khs so i dont think Nvidia is cheap but yes you have to pay les electricity bill but more investment=more MB,HDD,Memory etc
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February 21, 2014, 09:37:40 PM
 #18

So:

$150 to mine 245kh? <-- nVidia
$320 to mine 700kh? <-- AMD 280x

How is that better? I dont get it.
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February 21, 2014, 09:45:49 PM
 #19

Anyone in this thread actually running more than a few cards?

I am currently trying to run 22x amd 280x cards. The basement where these are running is now almost 30 degree Celsius. And I'm hashing SHA3 which creates a fraction of the heat scrypt does. Not to mention the amount of power all of this draws. with the 280x's i have a watt to hash ratio of 2,6. So my 5,8kw is roughly giving me 15mh/s on scrypt where as with nvidia rigs (that by the way is cheaper to build) with equal power usage i could get 28mh/s. Anyone who dont see the math why the profit margin is very much in favour of nVidia needs to do a reality check. Because 45kw power a year is not exactly cheap.

This is a game changer! stop being fanboys were in the profit business not fanboy business!

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February 21, 2014, 10:04:05 PM
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Anyone in this thread actually running more than a few cards?

I am currently trying to run 22x amd 280x cards. The basement where these are running is now almost 30 degree Celsius. And I'm hashing SHA3 which creates a fraction of the heat scrypt does. Not to mention the amount of power all of this draws. with the 280x's i have a watt to hash ratio of 2,6. So my 5,8kw is roughly giving me 15mh/s on scrypt where as with nvidia rigs (that by the way is cheaper to build) with equal power usage i could get 28mh/s. Anyone who dont see the math why the profit margin is very much in favour of nVidia needs to do a reality check. Because 45kw power a year is not exactly cheap.

This is a game changer! stop being fanboys were in the profit business not fanboy business!
Valid points. Now factor in additional motherboards, processors, memory, hard drives, power supplies (because you can only hook up so many cards to each one), additional racks/space.
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