8 hours ago, Bitter said:
Have you tried to undervolt the i3 any? I've been able to take 190mv off my Haswell i3 and drop around 20-25W of power from it, which bonus also drops almost 20C off full load temps with the stock cooler. A similar savings would be pretty good for you, equal to a more efficient PSU but costing you nothing. Even dropping 10W off would be helpful.
yeah but about 15-20 watts gained by using a platinum or titanium PSU does not worth it and I can consider your idea but I would prefer considering higher amounts of wats if we are talking about a 150-250 wats build then we will surely have no real differnce for about 15 wats that's why people buy these PSUs for only high power demanding about 800 watts or more but for a 200 wats build a bronze good branded power supply will be more than enough for the best value.
and about the CPU it is drawing from 15 wats to 43 max and this depends on what is running so if it was the only processing unit then the power draw will be from 15-23 watts with power saving features like C6, C7 and even C10 you motherboard support to C10 for deeper power saving, so messing up with CPU voltage for only 10 watts does not worth it too, my main concern is that my CPU is drawing about the third of what my whole PC draw and I am not happy with the 100 watts lose in the inverter, wires, PSU, monitor, motherboard and storage drive, so I am trying to detect where is all this power gone although my monitor is taking about 30 wats, wires lose is next to none, storages about 15 wats and X amount in motherboard so if my calculation is correct:
P = ((Pm + Pc + Ps+ Pg)×120%)× (P/Pi)
P: power (inverter input)
i: inverter outpot
m: motherboard+ ram+ cpu basic fan
c is cpu
g: nvidia GPU
(120%) is 1/PSU efficiency
if we did not consider the power lose in wires which can be ignored.
all factors are measured in different states except 2 unknown so I need to measure one of them to know the other for example during gaming on IGP and at maximum CPU usage:
Pm = X W
Pc = 43W
Ps = 16W
Pg = 7W
Pi = Y W
so as you can see I need to know one of this factors only to detrmine where is the power lose, I think I answered myself