Question Is it possible for a graphics card to sometimes under perform?

Jun 5, 2020
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Heres some timespy results I got for this: https://www.3dmark.com/3dm/50443054?
So i have a 2080 super and a couple days ago it was under performing by 1000 points according to timespy. A day later it was fine but now its back to underperforming a bit. The new driver update from Nvidia on the 17th seemed to make it worse. How can I roll back this driver update to see if that helps (downloaded it through geforce experience) and does anyone have any ideas on what to do?