As an AMD miner i have that fear eth will switch to pos, so i want to have some nVidia rigs for zcash mining backup incase situations go wrong, can someone help me with those questions:
1)What is the best achived speed with 1070 8g at stock settings with this miner ewbf
2)what is the max power consumption at this speed(at the wall if possible).
I want to build my nVidia rigs separated as 2x 1070 mounted directly to a 2 slot x16 board and 500watt psu 80+ , i followed this setup with amd cards and worked perfect for me and i have reached roi on most of them , so i wonder if i can follow the same setup with the gtx 1070?
I have a rig which is an Asrock H81 BTC PRO with a very low end CPU on it, 8GB ram, 120GB ssd and an 850W PSU
I have 2 x Gigabyte G1 gaming gtx1070s and 2 x Galax GTX 1060 6GB. All GPUs are attached via USB powered risers (even the one in the x16 PCIe slot. I use windows 8.1 and EWBF miner.
I power limit all the GPUs to around the 70% mark, overclock core to 75 and memory to 700.
I am getting 1400sol/s from this rig and drawing 500W at the wall.
As a contrast I also have a rig which uses the same motherboard, CPU, RAM, SSD but it has 5 AMD R9 290s and 1 R9 390. It runs Ethos and uses Claymore zcash miner. All GPUs are core clocked to 1050, The ones that can manage it are memory clocked to 1500, one is at 1375 and one is at 1250 (because it crashes the rig at 1375). This rig does 2200sol/s BUT it uses approximately 1800W at the wall.
So yes, Nvidia is far better for zcash mining, but it is a big investment for new pascal cards. I still use the AMD rig because I have had it for over a year mining ETH mostly. I am very tempted to sell the AMD cards to upgrade to Nvidia but I would be lucky to get $200 each for them and three of them are watercooled so probably hard to sell.
I also ask myself - how long will zcash continue to be profitable to mine? Having AMD cards ready is a good backup because although they are power hungry, they are generally still good at mining.
Your nVidia rig is 2.8 H/J while the AMD rig is 1.2H/J. That is big difference.
.
