If you're deciding between the Amazon Fire Stick and the Xiaomi TV Box S for running IPTV with a VPN on your old TV, both are great choices. The Amazon Fire Stick is known for being user-friendly and is often available at a lower price. The Xiaomi TV Box S also offers flexibility with Android, allowing you to install VPNs and IPTV apps easily. Since you can get the Fire Stick at a better price, it seems like a smart option to go with.