I replaced my 3070 with a 7900 XTX for that sweet, sweet AV1 encoding. Sure, a 4080 was tempting. I probably would have gotten one, but the thing is huge. I wouldn't fit in my case. As it is, the 7900 XTX has to be wedged in between the front radiator fans and the back framing. Needless to say, temperatures are an issue. It's the reference card, but all the 3rd party cards are overclocked and at least 30 mm bigger. At stock settings, it was ooookaaaaay... but it was hot. Looking on Reddit, people had bad cards that were getting to 110 C. I wasn't getting that hot, but it didn't seem that great. I couldn't get the same undervolt that everyone else could. Then I found THIS video by Ancient Gameplays. The key is to couple an undervolt (to 1060) with a counter-intuitive INCREASE in maximum power to plus 15%, AND and underclock maximum of 2500 mhz, minimum of 2400 mhz. Also increase VRAM speed to 2714 mhz. Seriously, the 14 is because there's a bug and to get 270