You can access the internet on your smartphone using either a 2G, 3G, 4G or 5G connection. Find out how download speeds compare. … Latency. GenerationTypical Latency2G500ms (0.5 seconds)3G100ms (0.1 seconds)4G50ms (0.05 seconds)5G1ms (0.001 seconds)*Download Speeds: Comparing 2G, 3G, 4G & 5G Mobile Networks kenstechtips.com › Understand Mobile › Data Plans