This will print the offset and bytes in hex:
cmp -l file1.bin file2.bin | awk '{printf "%08X %02X %02X\n", $1, strtonum(0$2), strtonum(0$3)}'
Or do $1-1 to have the first printed offset start at 0.
cmp -l file1.bin file2.bin | awk '{printf "%08X %02X %02X\n", $1-1, strtonum(0$2), strtonum(0$3)}'
