A380 vs. B777-300ER
Just a quick first comparison, not overly precise but close. Same dest., same day.
A380
6400 ESAD, 13h17', payload 66t (max), pax 489, trip 178300, appr. cargo 20t, could take add. 8.8t of fuel, max ZFW.
- appr. 2.7kg fuel per kg payload, 364 kg fuel per pax.
B777-300ER
6370 ESAD, 13h17', payload 49t, pax 360, trip 112700, appr. 15t cargo, ZFW restricted (60t max)
- appr. 2.3kg fuel per kg payload, 315 kg fuel per pax.
I stand to be corrected, but otherwise .... no comment.