Can you use two different GPUs to mine (650 2GB and a 650ti 2GB).

[TheseGoodTarts]

So I have three old GPU's and one is GTX 650 2GB and another is a 650TI 2GB, and I only have one computer to use them with. Could I use both for mining? If so could the two also mine with a GTX 260, or do I have to get new computers to utilize all three GPU's? Do I need SLI to mine with two cards, or does SLI not matter with mining? Thanks.

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[ShadowOfScales]

You should be able to use multiple GPUs of different types without issue, I've heard even different brands work fine together.

[Gator-hex]

Yes, but Nvidia are really bad, you'd be best selling them on eBay and buying AMD instead.

https://litecoin.info/Mining_hardware_comparison (Scrypt)

https://en.bitcoin.it/wiki/Mining_hardware_comparison (SHA-256)

[vpasic]

not worth it, forget about it.
you will not earn anything and waste bunch of electricity.

[TheseGoodTarts]

Thanks for the feed back. Will look into getting better cards but for now I want to try just using them for fun. You are right by the way. My GTX 780TI gets about 500-550kh/s with dogecoin, and a r9 270x I think gets about 450kh/s. The only difference is the 780 is $700 and the 270 if it is the 270 is only about $200. Or maybe I stink at research.

[FlyForFun]

So I have three old GPU's and one is GTX 650 2GB and another is a 650TI 2GB, and I only have one computer to use them with. Could I use both for mining? If so could the two also mine with a GTX 260, or do I have to get new computers to utilize all three GPU's? Do I need SLI to mine with two cards, or does SLI not matter with mining? Thanks.

Yes cause they are all from nvidia, but nvidia don't mine efficiency..