

Is my mobo the problem?
Mobo: Gigabyte X670 Aorus Extreme AX
7800X3D
9070xt w/ 6600xt
Psu: C1000 NZXT
Monitor: 4k OLED PG32UCDM
I play Helldivers a ton and it’s the first game testing out lossless scale with two gpu’s
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When in the ship lobby with LS inactive. Game’s fps is high with stutters every other second, and latency fluctuating like an irregular heart beat; even the in-game latency graph was geeking out high on caffeine.
With LS active, latency goes above 40 and the graph skyrockets and fps drops below 20 to 10.
Game went choppy slowmo.
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I turned LS off. Googled on my phone what could be the problem… I glanced up to my screen and the latency graph was showing stable :0
I didn’t turn on LS, and Task Manager was showing my 9070xt at 98% utilization at that time. Then after 20 seconds the graph went back to stutter, and 9070xt utilization lowed to 55-66%.
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Before hand. I’ve set the 9070xt as preferred gpu in Windows settings; drivers are up-to-date; in LS settings preferred gpu is the 6600xt; main monitor is plugged into 6600xt, but secondary monitor is plugged to 9070xt.
Second game I’ve tested is Warframe. Same issues.
What have I done wrong?