Any product in the current product line will run rings around any of the old Roku 2 models in terms of responsiveness and ability to run all current channel apps. I would suggest bypassing the current Express and go at least for the Express 4K or higher model, even if you don't currently have a 4K tv. They will work fine with non-4K sets, will give you dual band wifi (adding 5 GHz wifi band that can potentially connect at higher speeds than the 10/100 Ethernet adapters used in Rokus), and give some future proofing should you eventually upgrade to a 4K tv.
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.
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Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X
