Put simply, NVIDIA’s Frame Generation technology, introduced with its Ada Lovelace graphics cards and DLSS version 3, offers an increase in visual fluidity with very little downside to gamers. Yes, there’s an increase in input lag compared to playing the same game with anti-lag features enabled, but it’s not much worse than playing the game

Source: Hot Hardware – AMD FSR 3 And NVIDIA DLSS 3 Frame Gen: A PC Gamer’s Perspective And How They Differ