This is the result , I am getting in 1070 and 1060 6GB
GPU0 66C Sol/s: 453.4 Sol/W: 3.80 Avg: 458.3 I/s: 243.3 Sh: 1.99 1.00 297 +
> GPU1 66C Sol/s: 336.7 Sol/W: 3.07 Avg: 339.8 I/s: 180.5 Sh: 0.99 1.00 268
> GPU2 62C Sol/s: 347.1 Sol/W: 3.12 Avg: 343.6 I/s: 182.7 Sh: 4.98 1.00 266 +
1060 3GB (hynix)
GPU0 77C Sol/s: 262.5 Sol/W: 3.39 Avg: 278.6 I/s: 139.6 Sh: 1.79 1.00 250
GPU1 77C Sol/s: 277.9 Sol/W: 3.23 Avg: 289.5 I/s: 150.5 Sh: 0.30 1.00 238
GPU2 77C Sol/s: 273.7 Sol/W: 3.29 Avg: 287.9 I/s: 145.5 Sh: 1.19 1.00 235
GPU3 77C Sol/s: 252.5 Sol/W: 3.46 Avg: 272.2 I/s: 133.4 Sh: 0.30 1.00 234
GPU4 77C Sol/s: 262.1 Sol/W: 3.36 Avg: 278.7 I/s: 142.5 Sh: 1.19 1.00 235
GPU5 77C Sol/s: 279.1 Sol/W: 3.28 Avg: 289.4 I/s: 150.0 Sh: 1.49 1.00 247
GPU6 77C Sol/s: 276.3 Sol/W: 3.19 Avg: 287.5 I/s: 149.1 Sh: 0.30 1.00 247
========== Sol/s: 1884.1 Sol/W: 3.31 Avg: 1983.9 I/s: 1010.4 Sh: 6.57 1.00 240
Your 3GB 1060s are WAY TO HOT for 24\7. Where are you keeping them?
Also your results are too low for a 3GB 1060, something is very wrong with your setup.
blame hynix memory
1060 Hynix memory DSTM 6.0
https://www.screencast.com/t/7LXoo6y282Hi. What is your driver version?
I have 1060 3gb like yours. When i start zm. Hashrate is 310 sol. Then (after 1-2h) the hashrate will decrease to 260-270
Over 60° the cards start to throttle. Only 1-5 %. At 70° they throttle even more. Keep below 60° to get Full Power. Thats my experience with 3 setups with 1060 3/6GB, 1070TI and 1080TI.
And thats why your hashrate goes down after a while, cause VRMs/GPU and MEM is hot and the card slowy begin to throttle.
My setup after hours of mining:
ID DEVICE NAME °C ∅ Sol/s ∅ Sol/W ∅ Watt
0 GeForce GTX 1080 Ti 50 652.34 4.11 158.67
1 GeForce GTX 1060 3G 50 277.33 3.86 71.92
2 GeForce GTX 1070 Ti 52 491.61 4.58 107.23
3 GeForce GTX 1060 3G 49 274.56 3.83 71.74
4 GeForce GTX 1060 3G 54 274.18 3.82 71.71
5 GeForce GTX 1070 Ti 46 492.15 4.58 107.49
6 GeForce GTX 1060 3G 54 277.34 3.87 71.68
Total - 2739.51 4.09 660.44
The ambient temperature is 12° (thx winter)
Im using Win7 and the cards have these settings:
GTX 1060 3GB hynix: GPU +240 MEM +400 PL 60%
GTX 1070 TI : GPU +180 MEM +600 PL 60%
GTX 1080 TI : GPU +160 MEM -100 PL 60%
Theres a little room for stability. 1080 Ti runs since 1 year 24/7 with these settings without hassle. I prefer a rock stable system.
In a downtime you are losing money. So a little lower performance is okay for me.