Ethereum GPU mining?

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SimianR

Senior member
Mar 10, 2011
609
16
81
Litecoin actually peaked close to $50 when both it and Bitcoin went on their stratospheric run near the end of 2013.

Ah my memory is completely off then. Interesting that it peaked pretty high. I'm curious to see how high Eth will go. The volume in the last 24H is pretty insane.
 

DownTheSky

Senior member
Apr 7, 2013
787
156
106
The action on Poloniex is nuts! 52k BTC traded in the last 24 hrs. 10k BTC in buy orders. Woo Wee.
 

Accord99

Platinum Member
Jul 2, 2001
2,259
172
106
$10.35 USD now! Damn.
I really wished I had started mining much earlier than I did.

The same thing happened to me with Litecoin as well, where I shifted over from Bitcoin and a short period of time later it had its first major runup and attracting all of the GPU attention before I had a chance to get a lot of coins.
 

Erenhardt

Diamond Member
Dec 1, 2012
3,251
105
101
No I wish I didn't sell half my coins for 0,011 BTC each ;/
Good thing I didn't had many as I was an offtime miner
Interesting thing is that price went up a lot while difficulty is not much higher.

Calculators say I will mine 17-20 coins a month running 24/7, down from around 25 few weeks ago. So it is still not too late to jump on the bandwagon.

My 290 just mined a Gelid Icy cooler for itself ;]

I will probably get the second one because it still not warm enough in my room. Two of those should give enough heat to turn off the heating in my room for good.
 

SimianR

Senior member
Mar 10, 2011
609
16
81
No I wish I didn't sell half my coins for 0,011 BTC each ;/
Good thing I didn't had many as I was an offtime miner
Interesting thing is that price went up a lot while difficulty is not much higher.

I'm guessing that a lot of people are still trying to feel out whether or not this is a short term pump and dump before deciding to throw a bunch of hardware/cash at mining Ethereum. I suppose back in the early litecoin craze there were endless alt coins that popped up all the time that you could mine but right now investing in mining hardware might be risky since you only have a short period (between now and the summer) to mine Ethereum and make use of it.
 

Crono

Lifer
Aug 8, 2001
23,720
1,501
136
Running at 20 million hashes per second on my R9 380. This will pay for a Polaris.

My R9 380 Nitro runs like a dream in Windows 10 with 20MH/s and excellent desktop response, when playing games its falling to 15MH/s, GCN just rules in OpenCL computing and everything multitasking.

Ordered 2 R9 380s with some of Ether proceeds. Seems like decent value, though they are relatively power-thirsty cards. I'm glad Newegg still takes Bitcoin through BitPay... would be nice to see more sites move over to accepting Ether directly - which will probably happen eventually - rather than having to convert on an exchange.

May order 2 more R9 380s and put them in an open mining rig, but I need 2 more powered risers for the motherboard and another power supply. Even if they don't pay for themselves I'll probably put them in midrange gaming rigs later and sell them to people I know.
 
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wege12

Senior member
May 11, 2015
291
33
91
After reading up on Ethereum, I decided to invest in a 270x, and a pair of 280x's. I also plan to mine with my Fury X when I'm not gaming. I'm hoping to help pay for a good chunk of a 14nm GPU with any profits.

Best of luck fellow Ethereum miners
 
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metalliax

Member
Jan 20, 2014
119
2
81
I switched to solo mining 3 days ago and got my first block today... mining with a 290x and a fury nano (combined ~300w).

I was against the idea of solo mining for a while because it's so hard to know if it is actually working before receiving a block reward. What I realized though, is that Ethereum pumps out a new block every 17 seconds, so with a 42Mh/sec hashrate, I have a 1 in 25,000 chance of striking every 17 seconds. Essentially, I should get 1 block every 4 days or so, which is pretty good for solo mining.

I find it somewhat fun because it's like playing a high-odds lottery, every 17 seconds. Using the pool mining, it was a bit more mundane because it was too predictable for my liking. Also to note, the extra second of processing time between your node, the upstream pool, and the Ethereum network is a big deal when block times are so short!
 

wege12

Senior member
May 11, 2015
291
33
91
I switched to solo mining 3 days ago and got my first block today... mining with a 290x and a fury nano (combined ~300w).

I was against the idea of solo mining for a while because it's so hard to know if it is actually working before receiving a block reward. What I realized though, is that Ethereum pumps out a new block every 17 seconds, so with a 42Mh/sec hashrate, I have a 1 in 25,000 chance of striking every 17 seconds. Essentially, I should get 1 block every 4 days or so, which is pretty good for solo mining.

I find it somewhat fun because it's like playing a high-odds lottery, every 17 seconds. Using the pool mining, it was a bit more mundane because it was too predictable for my liking. Also to note, the extra second of processing time between your node, the upstream pool, and the Ethereum network is a big deal when block times are so short!

How much ethereum do you receive from a block while solo mining?
 

metalliax

Member
Jan 20, 2014
119
2
81
How much ethereum do you receive from a block while solo mining?
5 ethereum per block + ethereum from transaction fees. With the currently low # of transactions, it comes out to like 5.0001 per block. But hell, at the current price of $11.90, that's $60 every 4 days... wtf.
 

wege12

Senior member
May 11, 2015
291
33
91
5 ethereum per block + ethereum from transaction fees. With the currently low # of transactions, it comes out to like 5.0001 per block. But hell, at the current price of $11.90, that's $60 every 4 days... wtf.

Interesting. How does one mine solo? I'm pretty new to the whole topic of mining...
 

metalliax

Member
Jan 20, 2014
119
2
81
Interesting. How does one mine solo? I'm pretty new to the whole topic of mining...

The hard part of solo mining is you need to keep an instance of geth running, make sure you network is fast and working correctly, make sure your time is well synced (for better communication to network), and that geth stays running (it crashes sometimes).

I have noticed that geth will consume nearly 2GB of outbound traffic every day.

below are the steps I used, however it may be slightly different for others
Code:
1. configure port forwarding of router for 30303 tcp/udp to my computer
   a) i did this to insure all peers could reach my system easily
2. modify your windows settings to have time sync more frequently
   a) [URL]http://www.windows10update.com/2015/08/windows-10-tutorials-155-change-the-time-synchronization-interval-in-windows-10/[/URL]
   b) I set mine to 14400 (4 hours)
3. download geth
   a) [URL]https://github.com/ethereum/go-ethereum/releases[/URL]
4. copy geth.exe to c:\geth\geth.exe (or wherever you can find it)
5. open a terminal window and run geth
   a) cd c:\geth
   b) geth --rpc --maxpeers 50
6. make sure all blocks are synced before starting to mine
7. make sure eth account is created and you know the password
   a) i did this in mist wallet - it talks to your running geth instance
8. open 2nd terminal and mine same as you did before (without the -F part)
   a) ethminer -G
 

TrulyUncouth

Senior member
Jul 16, 2013
213
0
76
Ordered 2 R9 380s with some of Ether proceeds. Seems like decent value, though they are relatively power-thirsty cards. I'm glad Newegg still takes Bitcoin through BitPay... would be nice to see more sites move over to accepting Ether directly - which will probably happen eventually - rather than having to convert on an exchange.

May order 2 more R9 380s and put them in an open mining rig, but I need 2 more powered risers for the motherboard and another power supply. Even if they don't pay for themselves I'll probably put them in midrange gaming rigs later and sell them to people I know.

Please let me know if you find any reliable pcie powered risers, seems like the majority get terrible reviews online and I'm itching to buy a few myself.
 

Erithan13

Senior member
Oct 25, 2015
218
79
66
Spent several hours today pulling my hair out trying to get this working. I've never had to forward a port in my router before so that was an adventure in itself. There's so many things to trip you up along the way, ie forgetting you didn't have geth running, forgetting you started geth but without the --rpc tag, misplacing a single letter or character in the command line that you didn't spot despite double checking it a dozen times (second nature for Linux users I imagine, I'm but a poor deluded windows sheeple so please go easy on me )

Finally up and running at 26MH/s on a 290 with a minor overclock. It's already making the room nice and toasty. Using nanopool so I'm looking forward to getting my first payment.
 

Madpacket

Platinum Member
Nov 15, 2005
2,068
326
126
Ordered 2 R9 380s with some of Ether proceeds. Seems like decent value, though they are relatively power-thirsty cards. I'm glad Newegg still takes Bitcoin through BitPay... would be nice to see more sites move over to accepting Ether directly - which will probably happen eventually - rather than having to convert on an exchange.

May order 2 more R9 380s and put them in an open mining rig, but I need 2 more powered risers for the motherboard and another power supply. Even if they don't pay for themselves I'll probably put them in midrange gaming rigs later and sell them to people I know.

If you don't mind which 380's did you end up buying?
 

Madpacket

Platinum Member
Nov 15, 2005
2,068
326
126
Also, bit of a side question. I have 970 stuffed in a custom PC that I use for HTPC gaming. Unfortunately it has Windows 10 on it and as I found out over the weekend, Windows 10 and Geforce 970's only mine around 6Mh/s which is sad.

Does anyone think it would be an issue if I mined off a bootable (via USB) Linux distro on the same box? I don't have room to add another hard drive and partitioning the existing drive isn't really an option. I just want to mine while it's not in use and when I play some Rocket League pull the stick and reboot to get back into Windows land.

 

Hitman928

Diamond Member
Apr 15, 2012
5,611
8,824
136
Madpacket, have you looked into the custom cuda miner? There's a thread on it at the Ethereum forums. I don't have nvidia cards so I haven't tried it, but it might be worth looking into and I think there's a Windows client.

I think farm mining off of a bootable usb should be fine, although I wouldn't run the geth client that way.
 

Madpacket

Platinum Member
Nov 15, 2005
2,068
326
126
Madpacket, have you looked into the custom cuda miner? There's a thread on it at the Ethereum forums. I don't have nvidia cards so I haven't tried it, but it might be worth looking into and I think there's a Windows client.

I think farm mining off of a bootable usb should be fine, although I wouldn't run the geth client that way.

Thanks. I did look at the CUDA thread but it's pretty messy over there. The consensus is Windows 10 and Geforce mining doesn't mix. Windows 7 or 8 is supposedly fine. Linux seems to be the best though from what I can tell. I'm burning Mint 17.1 going to create a persistent USB 3.0 drive (hope 8GB is enough) and will test it out. I'm at around 100Mh now and want to just get full value of the 970.
 

Madpacket

Platinum Member
Nov 15, 2005
2,068
326
126
These: http://www.newegg.com/Product/Product.aspx?Item=N82E16814131673

They are $189.99 each (before MIR, which is $20).

They are coming in tomorrow. I'll post the hashrate I get after setting them up .

Wow that's pretty cheap. I'm guessing 20-22Gh? Best I can find is this Gigabyte model. It only has one 8 pin connector so maybe they're limited at overclocking but could have decent power efficiency? No idea, I just hope it has voltage control.

http://www.ncix.com/detail/gigabyte-radeon-rK9-380-windforce-ec-115829-1516.htm

That being said does anyone know for certain which 380's have voltage control?
 

3DVagabond

Lifer
Aug 10, 2009
11,951
204
106

Madpacket

Platinum Member
Nov 15, 2005
2,068
326
126
No, but Gigabyte often doesn't.

True. I've had good luck with MSI and Asus recently. I guess penny pinching isn't that big a deal if ETH prices stay where they are for a bit. Might as well go for a better card even if a few bucks more.

Manually undervolting (ideally without BIOS flashing) is key to maximize profits for mining. There's always a sweet spot with these cards to get the most hashes for the least energy consumption. Also RAM type can make a difference (Hynix being better than Elpedia).

My MSI 390 at 1100Mhz undervolted with stock Hynix memory is pushing 30Mh which is only a a bit slower than my Fury X's. Perhaps I'll just pickup another one of these cards but they're a good 75% - 80% more money than a 380 but they come with a decent game that could be sold for at least $20-30.00

 
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