Bro I don't have a 4k tv only FHD one. So I am opting for the old one as it will burn my pockets less.If you have any friend living in us then you can get it fire tv stick 4k for 3500 see its has better processor and ram for smooth function with dolby atmos and picture quality is too good if you have 4k tv as i am using 4k firetv from that i can say if you have 4k tv then only go for it but even 4k tv are all smart so you can watch netflix and prime video on 4k tv itself so normal firetv is good option.