Quote from: adamvp on October 06, 2016, 04:39:12 AM

Quote from: kdb424 on October 06, 2016, 03:46:21 AM

Quote from: o00o on October 05, 2016, 10:40:10 PM

Which particular GPUs including make&model would represent the best investment for dual mining at this moment? I'm currently debating between the MSI 390, 480 and 1070 but I would like to identify the few out of many cards which aren't plagued with various issues such as improper cooling on GPU/VRMs/VRAM.

I highly recommend Sapphire RX 470's 4GB edition. Mod the BIOS for 2100 RAM like the RX 480 and get the same hashrate out of the box for them, with less wattage. Currently have 2 of them with 51MH/s on headless mode. About 50.5 when running not headless as I am now to type this. It's dual BIOS so you can easily mod the BIOS without having to worry about bricking the cards as you can flip the switch for stability, and right before flash, flip them back to the other BIOS. Cheap, fairly quiet, and they stay cool, and perform well.

What is it power consumption?

It's about 135w in real world use. It's got a 120w TDP unlike the link below suggests, though bios modders add some ram speed which brings it up. It's profitable regardless, and will ROI faster than an RX 480. 4 RX 470 on a cryptocoin centered rig, aka celeron and any board, will run on a 600w PSU according to most calculators, which I believe to be true on my own measurements of my rig. The from the wall power is 373w with 2 cards and an overclocked CPU with monitors in standby, and other stuff plugged in. It's close to 310 with just the headless rig and ethernet.
https://www.cryptocompare.com/mining/sapphire/radeon-rx-470-ethereum-mining/

EDIT: I am undervolted and underclocked. Out of the box reports say 144w, which is still pretty amazing, and that's an aftermarket overclocked card. I'm on the sapphire cards with switch left (reference clocks) then underclocked, and undervolted core, and overclocked ram. Your results may very, and I do recommend toying with clocks and volts in windows, then customizing a bios to flash to lock it in if you are planning on using linux.

http://www.tomshardware.com/reviews/amd-radeon-rx-470,4703-6.html

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