OpenSignal found that AT&T's "5G E" phones get average speeds of 28.8Mbps, which is less than T-Mobile's 29.4Mbps and Verizon's 29.9Mbps but higher than Sprint's 20.4Mbps.
AT&T’s “5G E” is actually slower than Verizon and T-Mobile 4G, study finds
AT&T’s “5G E” is actually slower than Verizon and T-Mobile 4G, study finds