Hi, looking to get my first SMART tv and am considering the 43" Serif in white. I've tried looking at the Samsung site but have been unable to clarify the differences between the 2019 and 2020 models. Is anyone able to advise what they are or provide a link? It seems quite a price hike for the new model. I've got an old LE40R88BD which has served me well so either model is going to be a vast improvement in picture quality.