What is the difference between quad-core and octa-core Ugoos devices?

All our devices provide about the same features: any device can show Full HD playback, browse the web, real-time audio and video streaming, IPTV capability, have access to Google Play Store, and include Wi-Fi Display capability with AirPlay support. The main difference between quad-core and octa-core can be in gaming or multitask performance. Whilst all our Boxes and dongles can handle traditional popular Android games such as Angry Birds etc…