How fast is Zilliqa?

As a cryptocurrency enthusiast, I'm particularly interested in understanding the performance capabilities of Zilliqa. Could you elaborate on how fast Zilliqa is compared to other blockchain platforms? Specifically, what kind of transaction speeds does it achieve? Is it capable of handling high volumes of transactions efficiently? Additionally, does it have any unique features or technological advancements that contribute to its speed? Understanding these details will help me assess the potential of Zilliqa for various applications and use cases.