for you guys using win10 for miners.. which version drivers are you using for amd and nvidia (heh i feel such a noob for asking) my previous miners were on win7, 16.11.3 amd using afterburner 4.4.0 beta 12. i had full control in ab for power limit, volts etc. but with win10 and 17.11.2 ab 4.4.0 beta 17 doesnt have those? tried looking through some threads but couldnt find much.
1070 ti and low-end 1080 both have a 180 watt TDP, but if you run them at their EFFICIENT point around 106 watts - you'd still be pushing it a little with a 1000. Might be OK if you can build the REST of the system to only eat 50-60 watts or so.
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Currently 105 watts on each 1070 ti - you can fudge a few watts around that figure and still see very close efficiency numbers - running +200 core +700 clock on both the EVGA SC and the Zotac Mini models of the 1070 ti.
1080 at that same power level is very very close on efficiency - they don't DROP as fast at the 1070 ti when you push them harder though.
+100 core +100 clock on Gigabyte Windforce (2 fan OR 3 fan) or Zotac Mini models.
1080 tends to cost around 10% more for the "same model" vs a 1070 ti, which gives the advantage to the 1070 ti unless you get a VERY good deal on a 1080 (or you get price gouged on the 1070 ti) as even pushed the 1080 doesn't do 10% higher hashrate.
The blower style cards should be OK on cooling if run efficiently - their real advantage is for rigs built in a case, where they do a better job getting the hot air OUT of the case than almost any fan-type card does (Sapphire Nitro are an exception there, and the Zotac Mini cards push a lot of their air out of the case as well).
They also are sometimes on sale for less than any other option, which can make them have a good hash/$ ratio especially if run for efficiency where the cooling isn't an issue.
good info. i will probably grab two 1070tis. i want to retire one of my r9 390s, figure two 1070tis will draw around the same or less power if i can tune them well.