T-Mobile’s average 5G download speeds across the eight cities clocked in at 261 Mbps – more than 2x faster than Verizon 5G and nearly 4x faster than AT&T 5G in those cities . Testers were able to get a 5G signal on T-Mobile 96% of the time, versus just 88% of the time with AT&T and a sad 59% of the time with Verizon 5G.