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[Official] BitCoin LiteCoin DigitalCoin and all Crypto Currencies Club And General Information Thread - Page 392

post #3911 of 22537
Quote:
Originally Posted by Playapplepie View Post

So I am noticing that when I bump my current clocks,  1175 on core and 1500 on memory, higher and higher, I begin to lose kh/s. What is that junk about?

Your card isn't stable most likely.
post #3912 of 22537
Quote:
Originally Posted by Playapplepie View Post

So I am noticing that when I bump my current clocks,  1175 on core and 1500 on memory, higher and higher, I begin to lose kh/s. What is that junk about?
Yea I notice it too. It's finicky. The sweet spot for my current card seems to be 1085 Core and 1500 Memory, with a -10% Powertune. I average ~660KH/s at those specs. The farther I get from those clocks (higher or lower), the lower my hash rate becomes.

If I remember right, the 270x is basically a "remastered" 7950, right? Not a simple re-brand... it's been re-done, just has the same base specs.
post #3913 of 22537
Quote:
Originally Posted by Playapplepie View Post

How low is low?

Currently checking on a mining calculator. At best probably 85-90 cents per feathercoin.
 
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post #3914 of 22537
Quote:
Originally Posted by Maian View Post

Yea I notice it too. It's finicky. The sweet spot for my current card seems to be 1085 Core and 1500 Memory, with a -10% Powertune. I average ~660KH/s at those specs. The farther I get from those clocks (higher or lower), the lower my hash rate becomes.

If I remember right, the 270x is basically a "remastered" 7950, right? Not a simple re-brand... it's been re-done, just has the same base specs.

I'm holding steady at 364 kh/s, but if you are right about the 270x being a remastered 7950 then I would like to be getting your hash rate.
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post #3915 of 22537
270x is a 7870
post #3916 of 22537
Quote:
Originally Posted by Snuckie7 View Post

Your card isn't stable most likely.

How would I make it stable? Voltage bump?
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post #3917 of 22537
Quote:
Originally Posted by ForceProjection View Post

Pretty good atm, although your gonna need a bit more gpu power to really make a decent go at it. I've got the same gpu (albeit mine's on the reference 7970 board w/ 6+8 pin pwr.) under a heatkiller block that's turning out 727 kh/s, and it's not at it's max oc yet.


Throw in a 6970 or an unlocked 6950 like I have, and it's good for another 500-535 kh/s, which will net you > $600/mo. taking your power bill into consideration (assuming you're paying less than $.15 per kw/hr, & the current value of Litecoin holds steady).

How do I get my 6970 to reach 500-535KH/s? So far I'm @~ 430KH/s with the card at 930/1450 and Thread concurrency of 8128 I think.
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post #3918 of 22537
Quote:
Originally Posted by Playapplepie View Post

I'm holding steady at 364 kh/s, but if you are right about the 270x being a remastered 7950 then I would like to be getting your hash rate.

The 270x is a 7870 so your hash rates make sense. I have two 7850's that knock out about 350 ~ 360 kh/s each. The highest I have hit is 386kh/s but my card was OC'd to 1120/1350 and wasn't stable (came down yesterday morning to find my PC had restarted and lost potentially a whole night of mining. mad.gif) Been running 1050/1225 for the last 24 hours and maintaining a steady 350~360kh/s so think I may have found the sweet spot.thumb.gif
post #3919 of 22537
Quote:
Originally Posted by RAFFY View Post

So I've been mining FTC for a little over 15 hours and have receive 17.6 FTC. Is earning lets say 15 FTC every day worth my while in the long run?

I misread your post as LTC not FTC... almost crapped myself! As others have said it's a bit of a gamble (but on the other hand... isn't everything - including holding fiat these days). Two possibilities exist pretty much since it, like LTC, are pretty much forks of BTC anyway. So one possibility is that the whole cryptocurrency 'boom' goes bust, or the proof-of-work coins based on BTC all go down because of dilution/forking - or things continue on like they have thus far (i.e. someday next year BTC are worth $10K, LTC are worth $1000, and FTC are worth the $30-40 that LTC are worth now).

In the worst case scenario (the first one obviously), you're out a few hundred dollars for power - but you helped heat your house a little during the winter (unless you're in the southern hemisphere... then oops). Best case scenario you've made so much money you don't care! That's basically what happened with my BTC I mined back in 2012... on a little more than $150 worth of electricity I've made somewhere in the area of $20K... of course, it could wind up being worthless in the long run - but in that case it was worth the 'experiment' anyway.

Do I wish I'd kept mining right up to the big ASIC explosion? Sure I do - but I can't complain about what I might have done but didn't - it's still been fun and profitable no matter what. I just don't delude myself into thinking that mining cryptos is a safer bet than having a decent job is... but if it can buy me a new Porsche sometime in the next year or two... that would be nice. biggrin.gif
post #3920 of 22537
Quote:
Originally Posted by Maian View Post

Yea I notice it too. It's finicky. The sweet spot for my current card seems to be 1085 Core and 1500 Memory, with a -10% Powertune. I average ~660KH/s at those specs. The farther I get from those clocks (higher or lower), the lower my hash rate becomes.

If I remember right, the 270x is basically a "remastered" 7950, right? Not a simple re-brand... it's been re-done, just has the same base specs.

I am going to go ahead and quote myself on what I discovered the other day (from another litecoin thread)
Quote:
Originally Posted by Slappa View Post

I am finding that it benefits dramatically from higher memory clocks, HOWEVER you need a high core clock the higher you clock the memory to ensure there are no bottlenecks.

For example I had my core pinned at around 1000 core, and I raised my memory from about 1650MHz to 1775MHz and saw no change. However when I left it at 1775MHz and then gave the core 25-50MHz more, I went up 20-30 kh/s

I also found that with some ratios like 1000 core and 1450MHz i LOSE a lot of kh performance. It increases from 1250MHz memeory up to 1375MHz, then drops like a rock at 1400MHz. It starts to increase again after 1550MHz for me
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