Agreed with that but the detail is they specifically stated they want 165 Hz ultra quality, and barely the 6900 XT is going to do that unless you're going to play CS:GO all day.
If you're passionate then you're going to look it up and find that BAR is just a way to map memory and that an optimized graphics driver shouldn't require it to provide stable performance. 20% averages is something that should not be ever happening. Fortunately we are on a reputable tech forum where members look beyond brand (or should), and W1zzard has written a review:
AMD's Smart Access Memory feature is highly interesting. It promises a performance boost when the new Radeon RX 6800 Series cards are paired with an AMD Ryzen Zen 3 processor. We extensively test this in a whole article with 22 games at three resolutions, at up to 4K Ultra HD.
www.techpowerup.com
It's never 20%.