Are bitcoins even worth it anymore if you have a weak machine..

[samy109]

I'm currently doing 250 MHS and i'm not even sure if that's worth it being I only make 30 to 40 a month... Any suggestions on how to improve or the like? I have no money but if I could sell my graphics card and get a 5870 I could make a good 730 MHS and would be a bit more worth it at around 130 a month.

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[jrtubs]

it all depends on how much your kw/h is, a single 5870 would only bank you about 400-420 mh/s

[koin]

get a 5870 I could make a good 730 MHS and would be a bit more worth it at around 130 a month.

not sure where you are getting your numbers.

a 5870 will range from 340 mhash/s to up over 400 depending on a few factors: http://en.bitcoin.it/wiki/Mining_hardware_comparison#AMD_.28ATI.29

so even if you got 440 mhash/s from it, let's say, that's 7.45 BTC/month at current difficulty, or about $82.00 usd -- and that is assuming difficulty does not increase: http://www.alloscomp.com/bitcoin/calculator.php

i don't mean to say it won't be a good move, just wanted to make sure this was clarified.

also, your title makes it sound like the only value bitcoins have are for mining and selling.

[samy109]

No with my 8800gts g92 + 5770 + 5870, sorry forgot to clarify, 200 + 300 - 400 + 30 So around 530 - 630

[helloworld]

I'm currently doing 250 MHS and i'm not even sure if that's worth it being I only make 30 to 40 a month...

Do you mean 30 to 40 dollars or bitcoins?

[leveer]

The question is whether running a GPU is profitable, whether you have 1 GPU or 100 is of no consequence to profitability. And the electrical cost of minting a coin is still FAR outstripped by its exchange rate. The only question is whether you should specifically invest in a GPU for mining purposes...

[Sohcahtoa]

I only get about 63 MH/s using my GeForce 460 GTX and 1 core of my CPU, and I stop the CUDA miner to play games, yet I still mine.

Although I don't have to pay the electric bill so power usage isn't a concern for me.  :-D