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Author Topic: Newb question regarding mh/w  (Read 1527 times)
EPiSKiNG
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March 26, 2011, 05:33:31 AM
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I'm getting about 100mh/s and use 200W extra when at 100% usage...  I pay $0.14/kwh through PG&E.

Am I getting a decent return on investment here?  How long would it take to get 100 bitcoins?

Thanks for answering my newb questions.  I will pay you 0.01 BTC. Smiley

-EP

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nster
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March 26, 2011, 05:46:37 AM
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You are paying about 67~68 cents per day

What card are you using? with my 6870, I'm using like 140W for 280Mh/s, 4x more efficient

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EPiSKiNG
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March 26, 2011, 05:50:32 AM
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I was getting ~100 mh/s with an MSI GeForce GTX 260 OC'd to 731mhz shaders, 1124 mem clock, and my girlfriend's 4670 running OC'd as much as the AMD driver would allow.  I also tried adding in my i7-920 that is overclocked and got an additional 17 or so mh/s...

BUTTTT, I have a 5870 on its way now.... yeessss...

-EP

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EPiSKiNG
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March 26, 2011, 06:10:44 AM
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Ohhh and nster I sent you .01  ;-)

-EP

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March 26, 2011, 06:42:13 AM
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Ohhh and nster I sent you .01  ;-)

-EP

If possible, I would try switching from an nVidia card to an ATI card. You can get an HD5770 for ~$100 and get 150 Mhash/s from it at 110w peak.

150 Mhash/s is ~1.60/day (give or take, adjust for difficulty, etc)

Power consumption would be ~$0.28-0.34/day

It also depends on if you're on a time-of-use plan with PG&E, since they have a 50/75/100 plan for hours throughout the day, where rates are reduced (50% of normal) during off peak, and (75% of normal) during mid-peak hours.

Which then adjusts it to ~$0.19/day for a solid 24 hours of mining from the 5770.

Or, ~$1.31/day in profitability, on average of course.

BTW, bitcoinpool.com is 85% efficiency, and 0% fee mining pool.

Feel like donating to me? BTC Address: 14eUVSgBSzLpHXGAfbN9BojXTWvTb91SHJ
urizane
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March 26, 2011, 06:49:20 AM
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I was getting ~100 mh/s with an MSI GeForce GTX 260 OC'd to 731mhz shaders, ...

You may want to check that number (731), as that would underclock the shaders.  They run stock at 1242 MHz.
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March 26, 2011, 07:26:01 AM
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I was getting ~100 mh/s with an MSI GeForce GTX 260 OC'd to 731mhz shaders, ...

You may want to check that number (731), as that would underclock the shaders.  They run stock at 1242 MHz.

maybe its effective or something, making it 1462?

Thanks for the 0.01 Cheesy every bit helps lol

and geebus, stop bragging about "85% effenciency" pool as it doesn't matter to the miner as long as there is space in the pool. it is just misleading as you don't say WHAT effenciency and what it means

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geebus
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March 26, 2011, 11:13:16 AM
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and geebus, stop bragging about "85% effenciency" pool as it doesn't matter to the miner as long as there is space in the pool. it is just misleading as you don't say WHAT effenciency and what it means

 Grin

I was making reference to Vladimir's comment; "a mythical 100% efficient and 0% fee pool".

Efficiency in that sense would be a 1:1 ratio of shares requested to submitted, as in, constantly working on valid work and not wasting power without yielding a return.

So, no bragging, just stating facts.

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EPiSKiNG
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March 27, 2011, 10:53:10 PM
 #9

I've been using DeepBit, but I think when the new GPUs get here, I'll run some in your pool... looks like a lot of low MH/s overall, which is good for people like me with about a GH/s.

-EP

YOU CAN TRUST ME! EPiSKiNG-'s COINS!! BUYING / SELLING BTC - USA --- View my OTC Trading Feedback!!
<gribble> You are identified as user EPiSKiNG-, with GPG key id 721730127CD7574D, key fingerprint EBFC267F8F10EFD1FB84854D721730127CD7574D, and bitcoin address 1EPiSKiNG139bzcwTm8rxMFNfFFdanLW5K
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