Converting Gigabits to Megabytes and Gigabytes There are the same 5G speeds but in bytes instead of bits: 5G peak download speed: 2.5 GB/s (gigabytes per second), or 2,560 MB/s (megabytes per second) 5G peak upload speed: 1.25 GB/s (gigabytes per second), or 1,280 MB/s (megabytes per second)21 Şub 2021