Hiruzen is stronger than Hashirama.

[Rainbow Dash]

Iruka, Ch.94
「三代目は　特に歴代の中でも最強�� �� �� �� �� �� �� � �言われポロフェッサーと呼ばれた�� �� �� �� �� �� �� �� ��だったんだぞ！」
"The sandaime, in particular, was a genius nicknamed the 'Professor,' and was called the strongest of all the Hokage".

the Sandaime was the strongest.

Databook 1, Page 117
"プロフェッサー"と崇められる歴�� �� �� �� �� �� �最 強の火影

The "Professor" revered as the strongest Hokage in history.

Databook 1, Page 119
"歴代最強""天才"など,三代目火影�� �� �� �� �� �� �� �形 容する言葉はに満ちている.

"History's Strongest", "Genius", etc., there are many words that describe the Sandaime Hokage.

DB2 Pg 84
Konohamaru paragraph:
歴代最強の火影と謳われた、三代目�� �� �� �� �� �� �� � �血を継ぐ木ノ葉丸。“木ノ葉崩し�� �� �� �� �� �� �� �� ��より敬愛する祖父を失い、その�� �� �� �� �� �� �� �は 悲しみに覆われる。だが必ずや里を�� �� �� �� �� �� �� � �る大樹に成長するであろう。果て�� �� �� �� �� �� �� �� ��標の祖父を目指して・ ・・！！Konohamaru, descended from Sandaime, who was praised as history’s strongest Hokage.

And there you have it folks; citation from no less than four sources in the Manga - three of which from Kishi's own mouth. Every time someone even tries to suggest Saru would have trouble against this trouble I just can't help but Lmao @ your life and just pull out a fatty and get high - like what Hiruzen did when he sensed Obito when he was up to no good, startin makin trouble in Saru's Neighbourhood.

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You have to ask yourself: why is Hiruzen still here? Why is he not fodderised by Madara like the other Kage? Simple; because if Rikodu Madara or Sage Madara fought Hiruzen they would've lost, plain and simple; hence why Madara needs to get his other eye before he's ready to tackle Hiruzen.

 

[Jokule67]

Considering Hiruzens been around for like a hundred years and Hashirama's strentgh is an unbelievable "fairytale". Of course he got the title. He was more realistic in those ninjas eyes.

 

[ShiroT]

seems legit

 

[FatherOfMurder]

A thread was already made about this..:|

 

[Urda]

OK, but you have to understand that it does no make Hurizen stronger than Madara. Just because Hurizen was consider stronger than the Hokage does not mean he could defeat Madara from the past. Hashirama is known to only defeat Madara in the past. That Logic does not necessarily work like that. Example, Hurizen could defeat Hashirama and Hashirama could defeat Madara, therefore, Hurizen could defeat Madara.

 

[Sir Blades]

Yes he is.

 

[Naruto D Luffy]

I guess , he is

 

[ugh]

ONLY 3 people earned God of Shinobi
The SO6P ( Doesn't need anything said about him)
Hashirama ( another one, INCREDIBLE strength + Sage mode + healing abilities)
Hiruzen ( as you can see, the title is not given to any 'tom' '****' or 'harry' , and its stated by Kishi that he was the strongest of the Hokages U_U (#MangaFacts))