Yes, later models can have features and capabilities beyond those of earlier ones. Speed and responsiveness has increased substantia!!y in recent years. Some channel apps make use of these additions and won't run on older units.
Your question can be better answered if we know what model and model number you have now. You can find this info via Roku menu path Settings > System > About
Roku Community Streaming Expert I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well. If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X