Questions tagged [gpu-mining]

Collects questions about mining setups on basis of GPUs.

Filter by
Sorted by
Tagged with
55
votes
2answers
68k views

In the ASIC-age, is it worth starting mining Bitcoin at home?

I have recently learned about Bitcoin and would like to get rich quickly into mining. I have control of a laptop library full of ancient computers powerful gaming PC cluster of GPUs an old ASIC, I ...
35
votes
3answers
49k views

How can I start mining Bitcoin?

Ok. I don't care if I make only a small amount of bitcoins mining. I want to mine. How do I setup my machine (amd x64 4.6Ghz 6GB/RAM with GeForce Nvidia 7300, LinuxMint 10) to start mining? Is it ...
11
votes
3answers
69k views

Is Gpu mining still an option?

My friend asked me to do a research for him on bitcoin mining, I don't know a lot so I'm asking. He's consider buying either NVIDIA gtx titan or NVIDIA gtc 980. Decent motherboard and internet speed. ...
12
votes
5answers
17k views

How does one calculate the profitability of GPU mining?

As GPU mining made CPU mining non-profitable, at some point in time more specialized mining hardwares (FPGA and ASIC) would make GPU mining non-profitable. When is GPU mining considered not-...
12
votes
1answer
15k views

Why do AMD's GPUs mine faster than Nvidia's?

I have been searching Google all day and cannot find any real information. I'm looking for information in detail, such as specifications or the qualities of the GPUs that make the differences.
28
votes
3answers
47k views

How useful is a JavaScript miner?

I don't have a great understanding of how bitcoin mining works, but how useful would a JavaScript miner be for collecting revenue from visitors? Stupid question, but if I put the user in as part of a ...
22
votes
2answers
5k views

Could the EC2 infrastructure be used to efficiently launch a 51% attack?

This excellent answer from Serith states that one would need 31150 ATI 5870 graphics cards to launch a 51% attack. Amazon EC2 offers computers for rent for 2.10$ per hour. These instances have 2 x ...
8
votes
3answers
731 views

Have there been reports of botnets mining Bitcoin / crypto-currencies?

Is the threat of Botnets using massive amounts of CPUs/GPUs to mine Bitcoin, or some CPU-friendly coin, purely theoretical at this point? Or have there been reports of this actually happening? I know ...
10
votes
3answers
2k views

Why does poclbm acquire 100% CPU?

I recently switched from WinXP32bit to Windows7. While under XP poclbm took about 5% CPU Time of one core, now it uses one core with 100%. Is there a specific reason for that? I now use AMD/ATI ...
8
votes
4answers
30k views

Mining behind a proxy and restrictive firewall (only http ports allowed) - possible?

I have a very restrictive firewall with an additional proxy here. Is there a GPU mining tool out there that supports proxy server? The best would be a SSL connection to the mining pool. A long living ...
4
votes
3answers
6k views

Litecoin mining 10 times slower than a couple of days ago

I have a 5850, and have been mining with it for about a week. With GuiMiner I can mine bitcoins at about 275Mhash/s. This has not changed. A couple of days ago I setup Litecoin mining and it was ...
7
votes
5answers
373 views

What is/Is there the relation between the value of a bitcoin and the prices of video cards?

A significant number of Video Cards (significant investment) are required to reduce the possibility of 51% attacks. What would happen to the price of a Bitcoin if the prices of Video Cards suddenly ...
4
votes
2answers
2k views

Help locating bottleneck on new mining rig

I built a mining rig with 3 Radeon 6850 GPUs. When I run one miner (either Phoenix or m0mchil's poclbm) it reports a hash rate of a little over 200 Mhash/sec. When I fire up a second miner pointed ...
3
votes
3answers
6k views

How can I participate in a mining pool that is mining Litecoins?

To date I've only participated in mining GPU-optimised crypto currencies. I wondered what happens when I pointed my GPU miner to a Litecoin mining pool worker, Litecoin being designed to be optimised ...
2
votes
2answers
11k views

GPU mining with Intel HD Graphics 4000

I am running Mac OS X 10.7 on a MBP and OS X 10.8 on a Mac Mini. The Mini has a Intel HD Graphics 4000 GPU and the MBP has a 3000. I know that I cannot mine with the MBP as the GPU does not support ...
9
votes
4answers
5k views

Could the $25/£16 Raspberry Pi computer be used to run mining equipment?

Raspberry Pi $25/£16 PC article I saw this article today and it looks like a really interesting development in budget computing. It's a $25 barebones computer that runs Linux, and can play games ...
3
votes
1answer
3k views

“No more backup pools left. Using primary and starting over.”

I am not using a pool, I am using my graphics cards mining with poclbm over rpc. i do not understand why I get these messages. localhost:8332 15/08/2012 22:40:13, No more backup pools left. Using ...
1
vote
1answer
3k views

Why won't my bitcoin miner detect any of my hardware?

I recently set up a bitcoin miner on my gaming pc just to test it out and I can't seem to get it working. I am using bfgminer on Ubuntu and when I start it up it says this: NO DEVICES FOUND: Press 'M'...