Well thats the first time I've heard that. Some of my pics are from the 90's and I've seen no sign of quality loss. If you really are worried burn them all to a DVD and put that somewhere safe. Use what's on your hard drive to view and play with.
Qualcomm Snapdragon 835 benchmarks: Antutu, Geekbench 4, GFXBench and PCMark results