The are plenty of situations where anyone could tell the difference, such as low lighting conditions. In low light an old phone will make a photo that's just a brown blur, while a new phone will be a sharp clear photo of the scene.
But if you're happy with what you have then í wouldn't want to talk you into buying something else. The old iPhone se is a imo a much better design than newer iPhones
Immediately stop the war against Ukraine and pull back to the 1990s border, then enlist international experts to improve the country and peacefully integrate with the global community