The yacht is said to be bigger than the opulence of Abramovich's yacht. This is massive

Azzam is a private yacht built for a Saudi billionaire,worth $592 million, the yacht is built in three years by Lürssen Yachts and launched on 5 April 2013. It is longer and bigger than the opulence of Abramovich’s yacht which is equipped with two helipads, two swimming pools, a cinema, a disco and a mini-submarine that can dive to 150-feet to explore the ocean floor. Bullet-proof glass and armor plating lines Abramovich’s master bedroom, and the boat has its own missile defence system.

http://atagone.com/the-orld-biggest/