Stable(er) frames with MSI Afterburner Memory Clock OC

[MHAce75]

As others have noted, DCS doesn't like GPU overclocking too much. Core Clock OC does little and above a certain value it creates white dots in the sky, if too high DCS CODs. I can get my 4090 overclocked stable without the dots by +104. Voltage slider also +100.

However, I played with the Memory Clock slider and all the way at +2000 I have much stabler fps and far less micro stutters. Then DCS CODs.

But it's stable for me at +1900. 

I make sense of it, as DCS is VRAM hungry, highest GPU Memory Clock values will probably give stabler frames.

11900KF, All Core 5.3GHz, 240mm water cooled MSI Coreliquid V2, VCore adaptive -0.090mV, 4090 Ventus 3x

[Slammin]

4090 is the first GPU I can think of where I just don't find a reason to OC it.  Mine (MSI Liquid) defaults to 94% power level, and of course the first thing I did was OC it to push memory to 10700 and GPU to 3000.  Runs stable and not too hot (except for mem temp) but I just cannot discern a performance difference that matters other than the amount of heat and current when overclocked.  I just leave it at stock now.  Many even underclock power, GPU and mem clocks on their 4090's since there is minimal performance hit, but reduced heat, current draw and noise.

3DMark scores can be very enticing with a good OC on theses though, but otherwise.... blah. 

 

[MHAce75]

that is what i thought too, however my experience is a very discernible difference when yanking up the memory clock +1900 in terms of having less frame drops. no benchmark evidence, so it may or may not work for others. DCS never uses it efficiently anyway, mine doesn't even hit much higher than 61 degrees, and max. mid-80s utilization. And my DCS graphics settings are nearly all the way up (except shadows, which are high for cockpit, flat only on terrain). 

Edited February 24, 2023 by MHAce75
grammar