Comparison on what was mentioned on panels discussing Shanks' and Mihawk's bounties:
1. Shanks being Yonko for 6 Years, youngest of the Yonko and well trusted by his subordinates
2. Shanks' executives (Beckman, Roo, Yassop each earn their own fame)
3. Shanks' crew (having high average, most-balanced, impenetrable crew of all the Yonko crews)
Bonus(not mentioned directly in panels discussing bounties):
-Member of the Legendary Pirate King Roger's Crew
-Had duels with now WSS Mihawk
Bounty Given: 4,048,900,000
vs
Bounty Given: 3,590,000,000
1. WSS (a swordsman who's swordsmanship is so strong it is even greater than Yonko Shanks)
Bonus(not mentioned directly in panels discussing bounties):
-Marine Hunter in the past
-Had duels with now Yonko Shanks
Ain't it pretty easy to identify who was given more bounty due to individual strength?