The EX1 is probably the best rated and cost/effective Android TV Box in the current market. This box features an impressive quad core CPU clocked at 2Ghz.
EX1 is capable to play 4K video at 60fps while rendering a 1080p graphic layer (UI) thanks to its 16-bits bandwidth RAM modules.
Its performance playing video and running applications is about double compared to other set-top boxes on this price range while you get a resolution almost twice higher. Exodux EX1 is perfect for IPTV services.