My framerate is capped to 30fps. On my “good” computer (3060Ti) I achieve that easily mid-flight (resolution 4K, render scale 100%, settings on HIGH - some ULTRA - LOD = 4), but it drops to the mid 20s in normal airports and to minimums of 13 - 15 on difficult airports (KJFK, KMIA by LVFR). etc.
In my low-end computer (1050 card), at 1080p, the frames are slightly lower, but it runs at 1080p and with most visual settings to “LOW”.
But in all cases and in both computers, the A320NX FBW Experimental is very steady and stable on AP, even at 2x or 4x simrate.