The 4090 has more VRAM for DX12 and runs about 20% faster than a 4080, if memory serves me right. The Asus TUF OC mode is a bit of a rip off, as it only offers a tiny increase in performance over the non OC, 2565 vs 2595 MHz boost clock and 106% power target in GPU Tweak. You could do that OC yourself on the non OC version. I could only get the OC model on release day. The non OC performs just as well for less money.
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