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Questions tagged [gpu]

graphic processing units, commonly known as graphic cards

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ASICs versus GPUs in Ethereum mining?

Is there any way to assess the number of blocks being mined in Ethereum by ASICs versus the number of blocks being mined by GPUs percentage-wise? And also, what impact do you believe ProgPoW may have ...
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1answer
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Relation between GPU specifications and Hash-rate?

I connected two following ethOS miners to Ethermine mining pool (https://ethermine.org). You can see dashboard of my address here: https://ethermine.org/miners/...
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1answer
3k views

GPU'S Failed cannot create DAG

Last night everything is fine and then this morning I check my mining its's closed I think it was restarted or close accidentally then when I open my pool I have this error. ETH: 5 pools are ...
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2answers
30 views

Which GPU to mine with

I've been debating and i'm not really sure which GPU's to mine with; I wanted to go with RX 570's because on whattomine 4 of those make around the same as 4 1070's, and the rx 570's are like 200 ...
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3answers
418 views

Ethereum mining pool

Guys I want to build a mining pool for ethereum which is based on GPU mining. I've searched alot but I couldn't find anything except genoil(cpp-ethereum) which supports GPU mining but the creation of ...
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1answer
259 views

What happened in 2016 so that “2GB cards stopped working” for mining?

I know this is a terrible question. I am trying to figure out what a friend asked me. We were talking about mining ETH and he said: Back in 2016 2GB cards "stopped working" and that means that if ...
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2answers
1k views

Samsung is making an ASIC to mine bitcoin and ether so is GPU-mining of ether going to be non profitable?

Ethereum PoW is designed to be ASIC-resistant but Samsung is making an ASIC to mine bitcoin and ether so is GPU-mining going to be non profitable? https://techcrunch.com/2018/01/31/samsung-confirms-...
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176 views

Hardware faults on graphics cards

I am trying to get a second mining rig setup and I have been having a lot of issues with the video cards that I have bought off ebay. I get a lot of errors like this from nvidia-smi: Failed to ...
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1answer
369 views

Running Ethminer on a private Ethereum network

I'm trying to carry out some tests on Ethminer and was trying to run benchmarks on it before it starting returning a hashrate of 0, from what I've been able to tell this is becasuse the GPU I'm using ...
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1answer
774 views

Low Hashrate On Rx 570

I have bought a sapphire nitro+ rx 570 8GB (Samsung Memory)... Modded with SRBPolaris... copied strap 1500 to upper (to 1625,1750 and 2000)... PolarisBiosEditor cant read my rom... after that i tried ...
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0answers
671 views

How to increase the hash rate on 1050ti 12 gpu

As i am new in this i have setup my 12 gpu for ethermining i am using simplemining Os i tried to push the hashrate through overclocking but its only 14.81 M/h which very disappointing could you please ...
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2answers
502 views

GPU usage nill during mining

Mining using claymores miner, amd rx400 series. Most activity appears to be on the CPU and disk. Periodic spike on GPU graph. I know it works, eth being deposited in wallet. Is this normal? Info ...
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1answer
23k views

Optimizing hashrate for AMD radeon RX580 [closed]

hi all i am new to mining , i bought 7 of the AMD radeon RX580 GPU 8 GB, to mine ethereum , i watched some tutorials on youtube about how to optimize BIOS for the GPU . I followed the tutoria and i ...
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1answer
117 views

Miner RIG does not initial all NVIDIA for mining

I have a Ethereum RIG with 8 NVIDIA 1070 and UBUNTU 16.04 OS. When I check my hardware with lspci command, it shows 7 NVIDIA graphic cards; When I start ethminer (ethminer -G -F http://eth-eu....
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1answer
312 views

Profiling OpenCL Kernels on Linuix

I'm trying to carry out some reasarch on the performance of Ethminer, specifcally I'm looking to get data for any OpenCL kernels that are created during the mining process. I'm trying to assess the ...
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1answer
3k views

mining with 2GB GPU with partial uploading

I see all older questions [*]. But I read in reddit Yes. But your efficiency is lowered. Use ethOS dagless mining. My question is whether this is true and which software allows this? I see ethOS ...
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4answers
23k views

What aspect affects the GPU's mining speed?

I recently got my Asus Radeon RX 580 8GB and decided to test it out on mining. It has default core clock speed 1380 MHz, and memory clock 2000 MHz. Now, my first test with stock settings (no OC, no ...
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1answer
724 views

Do I have to over/underclock for mining?

I have RX480 and RX580. Two GPUs together giving stable 23,4Mh each. I'm using linux so clocking them will require playing with bios which I'm bit afraid to do. Can I run them like that, without any ...
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2answers
1k views

Use mobile phone gpu to mine

Is it possible to use several mobile phone GPU to mine Ethereum? Advantages are Less power consumption and No fan and robust material Mobile phones do not have much memory, but if a manufacturer ...
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1answer
510 views

GPU running at 20% of expected speed

I have just stuck an old card that I had in my computer to see how much increase in mining speed I would get. I had a PC with a GeForce GTX 1080Ti in and had a couple of GTX 970 cards lying around so ...
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0answers
149 views

Is it possible to run Ethminer on more than one GPU of different types

I have a system with a GTX 1080Ti which I am experimenting mining with. I have a couple of GTX 970 cards floating around that I haven't got round to selling yet. If I installed a GTX 970 card ...
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1answer
3k views

GeForce GTX 1070 - hashrate only 680 khash/s? [closed]

I am mining ArtByte and LiteCoin using a single GTX 1070 GPU. Everywhere on the internet I am reading that such a card can achieve 20+ MH/s. My card only gets as far as 680 khash/s. Am I missing ...
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1answer
192 views

GPU gave 3 Eth in 3 weeks, then added another GPU and no ETH after 1.5 weeks?

I got the first 3 Eth in 3 weeks and then I decided to add another card (RX480s). I stopped the mining (CTRL - C) Then stopped geth node (CTRL - C) Shutdown PC and installed extra GPU. Ran geth test ...
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2answers
1k views

Motherboard Compatability

The amount of Video Cards a motherboard can support (if using powered risers) is only limited by the number of PCI-E slots, correct? I've found a board (MSI - B250 GAMING M3 ATX LGA1151 Motherboard) ...
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1answer
1k views

Will SLI/Crossfire bypass VRAM limitations?

Would running 2 (2GB) AMD R9 270X cards in Crossfire, bypass the DAG limitations on VRAM size? I made the mistake of thinking my single 2GB R9 270X running alongside my 6GB GTX 1060 would work out. ...
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3answers
8k views

Mining freeze gpu hangs in opencl call

Well I tried to setup my first ethereum mining rig. I bought 6 second hands rx480 8GB (some on eBay, some elsewhere..) And these new parts: -Z170 gaming K3 -Powered pci risers -8GB DDR4 ...
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3answers
11k views

What to do about low hash rate on EthOS with RX 580s?

I just finished building my first rig, a 4 card rig using Sapphire Pulse RX 580 8GB cards, running on EthOS using claymore miner and mining to ethos pool/nano pool (Biostar TB85 MoBo, Corsair AX1200 ...
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0answers
217 views

ethminer benchmarking mode llvm error

I recently installed ethminer from the new active repository: https://github.com/ethereum-mining/ethminer ethminer --version returns: ethminer version 0.11.0.dev0 Build: Linux/g++/Release My OS ...
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1answer
2k views

GPU issues w/Claymore dual miner (eth/sia)

Wondering if anyone can help me please... Been running stable for some time on 9.5 (6x Strixx ROG 8GB OC GPU's) running around 27.8M/H each dual mining Eth and Sia. I tried v9.6 and used the ...
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4answers
2k views

Very high CPU usage with GPU mining

I've now started mining with ethminer, however, even though it is correctly using my GPU (its usage is constantly at 100%), the program is also maxing out two of my four cores, to the point where ...
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0answers
336 views

What is Ethereum's hash input data size?

I'm testing https://github.com/mjosaarinen/tiny_sha3 project on my machine with GPGPU features of https://github.com/tugrul512bit/Cekirdekler and it successfully hashes a single byte correctly in a ...
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1answer
284 views

Which RX card for ETH mining?

i've seen that mining is getting more popular and i thought that i maybe should jump onto the train. So i've already got a 550W power supply from an older build, i can get a Asus P7P550 PRO ...
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2answers
6k views

Whats the important specifications for a GPU

Which specifications are important for a GPU to get a high Hashrate. Frequency GPU Clock Speed Graphics Ram Type Memory Bus Width Memory Speed? or another important thing?
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3answers
4k views

12.5 Mh/s on Gigabyte HD 7950, is that normal? Shouldn't it be higher?

As the title says. Windows 7 64bit. Gigabyte HD 7950. I tried qtminer, ethminer and Claymore I also tried downgrading from 16 to catalyst 15.12 as recommended. However I can never get more than 12.5 ...
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2answers
3k views

Mixing two different GPUs on the same mining rig

Is it possible to mix 3 ASUS RX480, 1 AMD 7990 and 2 r9 380 in the same mining rig? If so, will it be possible to overclock them?
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6answers
79k views

Is there a GPU-hashrate database?

Is there a database that lists GPU models and their approximate mining hashrates?
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2answers
819 views

What economical GPUs are available and in-stock now for mining ETH? [closed]

I'm new to this and I want to get into building an Ethereum mining rig. But everywhere I look it seems that the usually suggested GPUs (Rx 480s, R9 Furys, etc.) for mining ETH are all sold out / ...
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1answer
347 views

Smart Contract execution in Casper

Once the Casper POS update releases, will miners still be using GPU to execute smart contracts and power the EVM? My understanding is that this form of 'mining' will still exist, but it wont lead to ...
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1answer
3k views

Ethminer “No GPU device with sufficient memory was found”

I have two Sapphire Nitro+ RX 480 OC cards. When only one is inserted into a PCIe slot, I am able to mine ETH with no issues. When both are inserted into PCIe slots, my terminal returns: "No GPU ...
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2answers
614 views

How to mining using GPU in private chain?

Sir, We build a Ethereum private chain for one application.We use geth to mine and find the performance is not good. Geth use CPU to mine.So,what method I can use to mine using GPU? Barkely
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0answers
1k views

How to tell how many graphics cards a mother board can concurrently use (can each pcie 3.0 slot be used?) [closed]

looking at motherboards on newegg I am filtering based on ones that have 4 or 5 pcie 3.0 slots. my 2nd criteria will be the most efficient cpu for less power consumption. My question is if you are ...
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0answers
4k views

When I try to mine ethereum I get JSON-RPC error

I am new at ethereum mining and I am trying to solo mine. I already installed geth and now I am trying to mine. When I go to ethereum software folder and type ethminer -G, it gives me the following ...
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1answer
13k views

Can I mix graphics cards on a mining rig RX480 and RX 470?

I want to experiment with building a mining rig to better understand ethereum. And to motivate myself to really learn as much about it as possible. Is it possible to mix graphics cards on the same ...
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2answers
6k views

To high power consumption 2x RX 470 8G - 575 watts - How to fix?

My miner is runnig for a few days and today i checkt the power consumption with a special device. The consumption is around 575 Watts. I had assumed that it will be around 300 Watts. Why is the ...
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0answers
1k views

Trying to understand how to calculate the profitability of Ethereum mining based on hashrate

I'm very new to Ethereum/cryptocurrencies, I'm trying to understand how to rate the efficiency/profitability of GPU cards Question If I exclude power bills / hardware aquisition costs, am I correct ...
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4answers
12k views

Mining with Laptop with only one graphic card

I have HP Elitebook 8460p with Radeon GPU and without additional integrated intel graphics in CPU. Is it possible to run GPU mining on it?
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1answer
13k views

How many ethereum can I mine with 6 * Radeon RX 480 GDDR5 8GB mining rig? [duplicate]

I planned to create a mining rig with 6 * Radeon RX 480 GDDR5 8GB cards ? I just want to know how many Ethereum I can mine per day if i use it 24hours continuously.. The mining rig is expected to get ...
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3answers
3k views

GDDR5X mining memory clock issue

I'm a little bit confused by the fact that my GTX 1080 which has effective memory clock of 10.8 GHz gives only ~25 MH/s while people reporting their GTX 1070 cards give up to 40 MH/s. As far as I ...
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1answer
425 views

maximizing GPU mining utilisation

I have a 8GB ram GPU - can I save the DAG twice and produce double hashrate? If yes - how can I program it?
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0answers
84 views

ETH Based GPU Pools After Casper [duplicate]

I've been reading a bit about Casper lately and I've seen that a lot of the miners are upset because they think their GPUs will become useless but there are tons of uses for GPUs besides ...