Hello everyone, I have 6 vega64 (Samsung memory) rig windows10 18.5.1drive, core 1408/900mv, mem 1100/900mv, when I use the 0.5.2 version to mine XMR, each card can reach 2.4Kh, the wall power consumption of the whole machine is 1800 watts. Except for the power consumption of the motherboard of 200 watts, the average power consumption of a vega64 reaches 267w. Is this power consumption normal?
Is there a way to reduce the power consumption of vega to less than 185w, even if it is a little less than 2.4kh?
That power use is very high.
Undervolt. Power table mod. All the usualy things people do. Read a bit more of the thread and you will get plenty of ideas
I do some undervolt and ppt moding . set cclock to 1100/860mv mclock 1100/860mv , I got the 1450w power consumption at wall and 11.7Kh mining cnR
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[2019-06-30 17:39:10] Mining cnr with 6 GPU workers
[2019-06-30 17:39:10] GPU 0 (06:00.0) 64 CUs Temp 63C Fan 49.00% (2408 RPM) Core 1062 MHz Mem 1100 MHz, VDDC 862.0 mV
[2019-06-30 17:39:10] GPU 1 (19:00.0) 64 CUs Temp 63C Fan 49.00% (2446 RPM) Core 1058 MHz Mem 1100 MHz, VDDC 862.0 mV
[2019-06-30 17:39:10] GPU 2 (13:00.0) 64 CUs Temp 51C Fan 58.00% (2874 RPM) Core 1055 MHz Mem 1100 MHz, VDDC 862.0 mV
[2019-06-30 17:39:10] GPU 3 (16:00.0) 64 CUs Temp 63C Fan 52.00% (2575 RPM) Core 1053 MHz Mem 1100 MHz, VDDC 862.0 mV
[2019-06-30 17:39:10] GPU 4 (03:00.0) 64 CUs Temp 62C Fan 56.00% (2788 RPM) Core 1069 MHz Mem 1100 MHz, VDDC 862.0 mV
[2019-06-30 17:39:10] GPU 5 (09:00.0) 64 CUs Temp 62C Fan 53.00% (2599 RPM) Core 1040 MHz Mem 1100 MHz, VDDC 862.0 mV
Normally when someone complains of high power use, I would suggest checking that your settings are actually being used, but your TRM output above confirms they are indeed as expected. Instead, your ATW power measurements sound suspect - make sure your measurements are over a sufficient time period. Unless you're on a 240v circuit, 1800w sustained load should most likely be tripping your breaker (not to mention, pretty much maxing out a gold rated 1600w PSU, though a decent PSU should be able to handle that.) Also, 200w for the base platform is really high unless you're also CPU mining - even my OC'd 8700k only runs ~100w idle.
I would re-check your power measurements - my 64s with ~1375 cclock (actual) / 1107 mclock / <= 850mv produce ~2450h/s @ 178w avg. At 900mv like your initial config, I would expect 200-215w each. Other than that, make sure your SOC is running at 1107 and not 1200mhz, though that seems unlikely to be the problem, as you are able to run @ 862mv (your extremely low core may possibly be allowing that tho.)