Undervolted AMD Radeon RX 9070 Retains 90% of Its Performance & Outperforms RTX 4070 Ti Super, On Par With 9070 XT At 3 GHz OC

My local Micro Center had the new AMD cards for about 2 days and since then not a single SKU shows up on the website search.

Keep checking, found quite a lot of them online in Germany.

The XT probably undervolts a lot better. Higher end cards almost always undervolt very well. Especially considering the XT doesn't have that many more cores, but has a LOT higher clock speeds.

Are there any people trying the same thing on the XT?

You can do the same with the XT for very similar results.

My 9070XT is holding 3400mhz at -100mv 110% power, +100mhz memory for a (title dependent) 10% performance gain.

huh? Undervolting has been part of overclocking for as long as I can remember