https://newatlas.com/samsung-galaxy-s8-s9-plus-specs-comparison/53657/

Last week at Mobile World Congress, Samsung unveiled its 2018 flagship phones, the Galaxy S9 and S9+. We've already looked at how they stack up against Apple's latest iPhones, but how much of an improvement are they over Samsung's own previous models? If you're lugging around a 2017 Galaxy and wondering if it's worth the upgrade, New Atlas compares the specs and features of the Samsung Galaxy S8, S8+, S9 and S9+.