Hello, I've got a ryzen 5700x, 32gb ram, and an msi 2070 super. Gaming is great at 1440p but I am thinking of moving to a 4k monitor. Question is, what's the fastest gpu that I can reasonably pair with that 5700x? My 2070 super is still kicking, but I've been looking something maybe a little more efficient, like a 4070, or should I wait until amd launches the 7800xt next week?