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post #61 of 124
Quote:
Originally Posted by Speedster159 View Post

So apparently .13 is pretty good... o.o

And i thought our electricity here is high.. -.-"

What would be the best GPU to get for a budget of $50? (Considering the system will be some CM PSU with a Bronze certification, and an old 775 P4 at 2.4Ghz?)

Pretty much the most powerful AMD GPU you can find. I'd check the marketplace.
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post #62 of 124
you can profit off mining on gpus still might not be a huge profit but usualy 2x what the electric will cost this is around what i make right now. And thats calculated at 0.15kW/h some places are much cheaper mine might even be i didnt look up how much exactly we pay in my town.

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post #63 of 124
Actually, after doing some consulting apparently someone gave me the wrong information. My fiance normally handles the bill so I actually just took a notion to look at it today. 837 kws used at 80.94 for electric cost so that translates to about 10.34 per kw/h if I am correct. I had called customer service previously so apparently someone didn't know what they were talking about. My common sense should have told me that was stupid but I really didn't think about it much. There is no way we would spend almost 900 for electricity in a month... LOL!
post #64 of 124
Quote:
Originally Posted by Theroty View Post

Actually, after doing some consulting apparently someone gave me the wrong information. My fiance normally handles the bill so I actually just took a notion to look at it today. 837 kws used at 80.94 for electric cost so that translates to about 10.34 per kw/h if I am correct. I had called customer service previously so apparently someone didn't know what they were talking about. My common sense should have told me that was stupid but I really didn't think about it much. There is no way we would spend almost 900 for electricity in a month... LOL!

I was a little curious as to the validity of those numbers. This makes a lot more sense. In that case, fire up the machines and make some dollars.
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post #65 of 124
Quote:
Originally Posted by Theroty View Post

Actually, after doing some consulting apparently someone gave me the wrong information. My fiance normally handles the bill so I actually just took a notion to look at it today. 837 kws used at 80.94 for electric cost so that translates to about 10.34 per kw/h if I am correct. I had called customer service previously so apparently someone didn't know what they were talking about. My common sense should have told me that was stupid but I really didn't think about it much. There is no way we would spend almost 900 for electricity in a month... LOL!

Your units are all wrong...

Electricity is priced in $ or EUR per kWh BUT you cannot just use your old bill and divide by the number of kwH.

Electricity in watts is per unit time (J/s). Multiply by hours and then you get kWh.

Usually your bill is broken down into:
basic service charge (flat rate) , say $30
+ charge per kwH for electricity (varies depending on month and may be tiered) , say $0.10 /kwH
+ delivery charge or whatever fees per kwH , say $0.005/kwH
+ taxes on the entire thing
for mine (Click to show)
Supply charge per kwH +Merchant function charge per kwH +GRT & tax surcharge per kwH = Total supply charge
Basic service charge + Delivery per kwH + Renewable energy charge per kwH + State surcharge per kwH + GRT&Tax surcharge = Delivery charge

The above * sales tax rate = TOTAL

Edited by AlphaC - 6/6/13 at 1:38pm
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post #66 of 124
Interesting. I'd wager a 7990 would be pretty beastly for this sort of thing with it's cherry picked high ASIC cores.
post #67 of 124
Quote:
Originally Posted by AlphaC View Post

Your units are all wrong...

Electricity is priced in $ or EUR per kWh BUT you cannot just use your old bill and divide by the number of kwH.

Electricity in watts is per unit time (J/s). Multiply by hours and then you get kWh.

Usually your bill is broken down into:
basic service charge (flat rate) , say $30
+ charge per kwH for electricity (varies depending on month and may be tiered) , say $0.10 /kwH
+ delivery charge or whatever fees per kwH , say $0.005/kwH
+ taxes on the entire thing
for mine (Click to show)
Supply charge per kwH +Merchant function charge per kwH +GRT & tax surcharge per kwH = Total supply charge
Basic service charge + Delivery per kwH + Renewable energy charge per kwH + State surcharge per kwH + GRT&Tax surcharge = Delivery charge

The above * sales tax rate = TOTAL

and its a pain trying to find accurate info befor you get your bill if they have to pay more fuel rates they pass it along to you so your rate could jump really high one month and be really low. The next summer months is normaly higher but funny thing we been paying less this summer so far with me mining and the ac on then we was in the winter with me mining and the heat turned on but at 60 so it didnt come on very much.
Quote:
Originally Posted by Fulvin View Post

Interesting. I'd wager a 7990 would be pretty beastly for this sort of thing with it's cherry picked high ASIC cores.

at 1100mhz you would be looking at 1.3ghash.
Edited by Bal3Wolf - 6/6/13 at 1:41pm
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post #68 of 124
Quote:
Originally Posted by Fulvin View Post

Interesting. I'd wager a 7990 would be pretty beastly for this sort of thing with it's cherry picked high ASIC cores.

It would indeed. However, you also have to factor in the cost/performance ratio, and the fact that they pump out a lot of heat. If you can get one really cheap, or already have one, it would probably be the way to go.
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post #69 of 124
^ My point is you need to find out which portion of the bill varies based on kwH and which is a fixed rate (basic service charge).

I wouldn't advise mining when it is 95°F outside simply because you also pay double what you think you're paying (higher electricity cost in summer + if you turn on air conditioning you pay again to exhaust the heat created by your GPUs)

So for quadfire HD7950 using 1200W, you also need something that pushed 1200W out of the area... 1 kilowatt of power = 3412.1416 BTU/hr so 1.2KW = 4000BTU cooling by air conditioner (per hour) at a minimum
Edited by AlphaC - 6/6/13 at 1:46pm
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post #70 of 124
Quote:
Originally Posted by AlphaC View Post

^ My point is you need to find out which portion of the bill varies based on kwH and which is a fixed rate (basic service charge).

I wouldn't advise mining when it is 95°F outside simply because you also pay double what you think you're paying (higher electricity cost in summer + if you turn on air conditioning you pay again to exhaust the heat created by your GPUs)

So for quadfire HD7950 using 1200W, you also need something that pushed 1200W out of the area... 1 kilowatt of power = 3412.1416 BTU/hr so 1.2KW = 4000BTU cooling by air conditioner (per hour) at a minimum

Watercoolers are fine. My mancave has no AC. It's 78f outside right now and in my room it's 83f. Yet my card that is mining is still under 50c on the core, 64c on VRM1.
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