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Questions tagged [gpu-mining]

Collects questions about mining setups on basis of GPUs.

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2answers
2k views

Why is a GPU a better tool for bitcoin mining than a CPU and is an FPGA better than both?

I was looking into the best tools for bitcoin mining and found out that GPUs are a better tool for bitcoin mining than CPU's. What is the reason for this? furthermore, I found dedicated chips that ...
0
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1answer
176 views

Running poclbm miner in Ubuntu 13.04 without ATI card

I am running Ubuntu 13.04 64bit with 16GB RAM and this is my VGA card: 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) (prog-if 00 [VGA ...
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1answer
572 views

litecoin mining

I'm a crypto currency newbie. I'm planning to mine lite coins. Is it possible to mine them using my Lenovo Y550 laptop? I have downloaded the wallet. I want to start with mining but im still in doubt ...
1
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1answer
2k views

Simple GPU C++ mining

I'm trying to mine a genesis block for an experimental Peercoin clone. I've already written one using boost threads, and it's been really fun since this is the most processor intensive program I've ...
2
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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 ...
1
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1answer
2k views

Mining: Memory clock speed theory

I am mining on Radeon HD 7850 2G I increased GPU clock speed to max 1050 available in AMD overdrive. and then I started to increase memory clock speed. Mining performance is dropping when memory ...
0
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1answer
1k views

cgminer works just fine for BTC but LTC mining won't get temps over 50C

These are the screenshots. Temp on LTC won't go over 50C although I set it to intensity 12 on my 6770. I get 200Mh/s on BTC and I shouuld be getting 200Kh/s, instead I'm getting 80Kh/s. http://i....
2
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1answer
5k views

Error trying to mine with stratum_proxy

I'm giving a specific case here, but I think I have seen the same error trying to use stratum_proxy for any pool and coin I have tried. When wemineltc.com briefly had a getwork server up, cudaminer ...
3
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3answers
14k views

AMD HD6850 mining speed is very slow

According to litecoin.info/Mining_Hardware_Comparison, 6850 is 200+kH/s But I run speed is 17.28K/14.39Kh/s, what's wrong?? cgminer version 3.5.0 - Started: [2013-11-30 17:08:22] --------------------...
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0answers
3k views

Using Onboard Video but Mining with nVidia Geforce 8400GS

So, after much struggling and a few reinstallations, I got my nVidia Geforce 8400 GS mining by installing the correct drivers, nvidia-cuda-toolkit, openssl, automake/autoconf, and cudaminer. The ...
1
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0answers
767 views

ATI GPU for mining with display attached to integrated graphics?

I'm running Ubuntu 12.04 and I'd like to attach my monitor to the onboard Intel graphic and have my GPU (ATI 67xx) for mining solely. So far I'm struggling with setting up the ATI GPU. Do I need to ...
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0answers
91 views

BitMinter - At what data rate communication happens between the BitMinter java client and the server?

Looking for how many KB or MB transferred each way every second or minute, whatever is appropriate. I am using a Macbook Pro and using GPU mining.
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1answer
236 views

GPU mining better for BTC or LTC?

I recently bought an GTX 760, and wanted to try out mining either bitcoins or litecoins. I know AMD is better for mining and all that but I still want to try it anyway. So - should I mine bitcoins or ...
0
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2answers
3k views

Can I mine bitcoin without damaging my hardware?

I have a 900w gold certified power supply, an AMD fx 6350 @ 4.39ghz, a nvidia gt 630 2gb GPU with a fan and 8GB DDR3 RAM at 1600MHz. I'm wondering what mining for about 8 hours a day would do to my ...
1
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3answers
9k views

What are the optimal cgminer settings for a AMD Radeon HD 6670? [closed]

I'm following this tutorial for mining Litecoins, and I'm having a little hard time finding the optimal cgminer settings for my AMD Radeon HD 6670. Any hint on that? The tutorial gives this ...
0
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3answers
2k views

Can someone confirm that my GPUs are working correctly?

I'm specifically litecoin/scrypt mining at Multipool.us, but the web interface there is only showing about 20khash, when I obviously should be getting much more. I am using a HD 5870 (GPU 0) and HD ...
3
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2answers
6k views

How to use both CUDA GPUs?

I'm using rpcminer-cuda to have a play around mining some bitcoins. I have 2 NVidia cards, and I understand this is not ideal for any profitable mining. I would however like to have them both ...
3
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1answer
4k views

What are the most popular CPU/GPU miners with scrypt-jane support

There are a few github projects, but it doesn't look as though there's a 'mainstream' option with good support for varying protocol. Is there any one most popular?
4
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1answer
592 views

Combined scrypt/SHA256 mining on one GPU

Is it possible to mine scrypt and sha256 coins at the same time on one GPU? Rationale: Hashrate of scrypt mining is limited by memory bandwidth. That means that some of the processor cycles are ...
4
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1answer
2k views

Sudden Drop in Hash Rate GeForce 650 GPU Card

I'm running on a 15" Retina MBP and have just been playing around with mining on it a little bit. I realize GPU mining is almost dead at the moment, but bear with me. Overnight last night I was ...
0
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1answer
429 views

Is there really this big a difference between AMD and NVIDIA? [duplicate]

As i am thinking of builing a system with a evga 670 i was wondering how much better a similarly priced AMD card would be in mining? The bitcoin wiki shows a hashrate of 406MH/s for the GV-R787OC-2GD ...
2
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0answers
35 views

mining pcie 16x and 1x together caused rejects [closed]

I have 5 msi radeon R9 290 cards and this board https://www.asus.com/Motherboards/Z87PLUS/specifications/ . With 3 pcie 16x everything runs smooth but, as soon as I add the first 1x into the equation, ...
2
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1answer
4k views

Mining with one GPU

How do I GPU mine with only one GPU, which I'm currently using for graphics? Does that require going headless? How do I go headless?
3
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1answer
202 views

Is there a way to set the aggression for the OS X Diablo Minor?

I run the OS X Diablo Minor on my new Macbook. It seems to work well enough and it earns me a few bit-cents each day. The only problem is that I have to cut it off whenever I'm working on the Mac, ...
1
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1answer
1k views

Can one GPU mine on Mac OS X using cgminer?

I succesfully installed cgminer on my mac but every time I try to run it I get the message [2013-09-16 15:03:49] clDevicesNum returned error, no GPUs usable why is this? Is it that you cannot mine ...
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1answer
2k views

What virtual currency is currently the most profitable with an Nvidia GPU? [duplicate]

By most profitable, I mean the coin that returns the most profit for lower-hashing GPU's.
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1answer
1k views

Only 70Mh/s with good PC! AMD CPU not supported? [duplicate]

I have a AMD 8-Core-CPU with a NVIDA GTX 560 for Bitcoin-Mining but I only get 70Mh/s... If I start CGMiner without GPU it detects nothing. Why cant I use my CPU to mine Bitcoins? Is that an error by ...
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1answer
6k views

Mining with an AMD Graphics card

Following this tutorial here: http://www.newslobster.com/random/how-to-get-started-using-your-gpu-to-mine-for-bitcoins-on-windows And it says, UPDATE: If you are unsure, please download GPU Caps ...
4
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2answers
9k views

Better or worse to mine multiple workers on one machine?

The title is quite self-explanatory, really. I use cgminer on Ubuntu 12.10 to mine bitcoins in the 50BTC pool. I have three workers set up. If I run multiple instances of cgminer, each targeted at ...
6
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2answers
4k views

When was the first GPU miner made available publicly?

The GPU miners are widely used nowadays, but that wasn't always the case. When was the first GPU mining software made available publicly?
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3answers
3k views

Is one quad GPU rig better than two dual GPU rigs for Scrypt mining?

I want to buy four r9 280x cards for Scrypt mining. I already have all other hardware components to create two dual rigs. Would one mining rig that uses all four GPUs instead be significantly better? ...
1
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1answer
4k views

Can one rig run multiple different graphics cards?

I have some 7950 and some R280, can I connect them both on one rig? Will it work normally? Or does system require all GPUs to be same?
5
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1answer
8k views

CPU vs GPU Mining (FTC) - CPU wins? How?

I've read many times over a long period of time that GPU will win out against CPU every time if you use hardware of a similar tier/age. However, i've been toying around today with some FTC mining and ...
1
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1answer
2k views

How to physically configure graphic card for higher yields?

If I were to purchase a motherboard with 7 pci-ex ports. Could I then attach 7 graphic cards and run 7 cgminer processes? One for each card? Or would a better build be to group cards together with ...
1
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4answers
47k views

What should I choose - GPU Mining or CPU Mining? [duplicate]

I have a HP Pavilion G6-2313AX Laptop with Processor : APU Quad Core A10 and Graphics : 512 MB AMD Radeon HD 7660G (Integrated) and 2 GB ATI Mobility Radeon 7670M HD Graphics (Dedicated) I know ...
1
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2answers
5k views

What is the most important parts of the video card in Bitcoin mining?

For example, obviously it doesn't matter what type of adapters a video card offers when it comes to Bitcoin mining? Is the GPU speed or the amount of RAM the most important part in terms of megahashes ...
1
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3answers
4k views

PCI (no express) GPUs

I have a mining rig, with 2 PCIe (already being used) and 4 PCIs without use. I was thinking to buy a PCI based ATI card like http://www.club-3d.com/index.php/products/reader.en/product/radeon-hd-5450-...
3
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1answer
315 views

Is it more efficient to use multiple computers when I have multiple GPUs?

I have 4 video cards: 2x 7970 & 2x 6970. This is a question of efficiency regarding MH/s. Simply, I would like to know which is better: ~1900 MH/s on one machine ~1200 MH/s and ~700 MH/s on ...
5
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3answers
2k views

Cooling for an XPS 15 (L502x) laptop during Bitcoin Mining

I would like to know exactly where I should put my extra cooling fans around my laptop so that I can more efficiently cool while I mine bitcoins. I realize this is not optimal at the moment, but ...
1
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0answers
235 views

Miner hardware problem

So, I have been mining LTC with a custom rig (see below for hardware details) and this morning it was down. When I restarted it, it worked fine for two minutes then shut down again without beep nor ...
0
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1answer
993 views

Asus R9 270x mining 24/7 setup

I'm using Asus R9270X-DC2T-2GD5 for mining and the temps remain stable at 68C or below even with 99% GPU load for hours. Stock cooling with my Cooler Master CM 690 II case with positive air flow. I ...
2
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2answers
3k views

gcminer with ATIRADEON HD3600 on ubuntu 12.04 64bit headless won't detect GPU

I am following this guide: http://rdmsnippets.com/2013/03/20/bitcoin-mining-with-ubuntu-12-04-tls-and-cgminer/ But it won't work on my server (Specification's are in the Subject-field) I get this ...
3
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1answer
8k views

Is mining faster with 2 GPUs in crossfire or with 2 PCs with one GPU each?

Is it faster to have 2 separate computers with the same graphics card but different specs, or one computer with 2 GPUs in crossfire? By math, they should perform the same im guessing at the same ...
1
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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'...
3
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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 ...
4
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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 ...
2
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1answer
729 views

i have good pc can i mine on it, if i don't have to pay for electricity? [duplicate]

i have gtx 970 g1 gpu and intel i7 4790k cpu. i dont have to pay for my electricity costs. i used to play games but now i don't play them any-more. i was hopping someone will tell me if i can make a ...
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1answer
145 views

Please help, stuck at static 24Mhash/s? [duplicate]

I'm fairly new to mining bitcoin, but I have read that using GPU can help improve performance. I currently am using GUIMiner (latest version) running on an OpenCL back-end but when I choose to use my ...
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3answers
2k views

5gpu 2psu scrypt mining rig shuts down 1hour later [closed]

I built the following rig: 5x SAPPHIRE TRI-X R9 280X 3GB GDDR5 OC (UEFI) 1x AeroCool Templarius Imperator 1150W 80 Plus Gold 1x HighPower Tech 1200w Gold Plus (HP-1200-G14C-GOLD) 1x Gigabyte GA-...
2
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2answers
1k views

6 x GPU mining rig only installs drivers for 5

I built the following rig: 5x SAPPHIRE TRI-X R9 280X 3GB GDDR5 OC (UEFI) 1x AeroCool Templarius Imperator 1150W 80 Plus Gold 1x HighPower Tech 1200w Gold Plus (HP-1200-G14C-GOLD) 1x Asrock H61 Pro ...