RTX 4060 Ti 8GB adds 0 GB VRAM for +$60 (19% premium). The real question is whether your workflow needs models that RTX 5060can't run.
$ recommend → If you own a RTX 5060: wait. Prices drop, refresh cycles continue. If buying new: get the RTX 4060 Ti 8GB IF your budget allows AND you need the extra headroom.