So I bought this monitor from Adorama through Amazon and the monitor was defective upon delivery. So I started a return with Adorama through Amazon I got a response stating "Hi, I have followed up today with the manufacturer and unfortunately they don't have an update yet regarding our RMA...
Actually, I have a similar setup to yours. I'm on a 2080ti with a 10700k. There are settings to get gpu usage up to full. I see about 85-99 percent with these settings. This is at 1440p@144hz. Objects and vegetation set to low(now medium) doesn't seem to have that much of a lower picture...