Optus awarded title of Australias Fastest 5G Mobile Network Optus 5G has raced to the top of the speed leader board after officially being awarded the coveted title of Australias fastest 5G Mobile Network by independent benchmarking company Ookla the global leader in fixed broadband and mobile network testing applications, data and analysis. The Ookla Speedtest measured 5G mobile speeds from all 5G network providers in Australia for the two quarters of 2021, with data showing Optus achieved median download speeds of 323 Mbps* – a staggering 60 percent faster than one of its competitors. Ookla analysed over 330,000 user-initiated 5G Speedtest results in the first half of the year to determine which carrier showed the fastest network speeds, with Optus taking out top spot overall as well as scoring the best latency result of 18 milliseconds.