"In my opinion, there is nothing too much of a tactical change when he won the last three. He's just playing better," said Medvedev.
"I had my chances. I felt like I was not at my 100 percent, but I was maybe at 97, 96. And against him, you need to be at 100.
"Especially end of the season he started playing whole different level. So, if I want to beat him, I have to raise my level on a whole different level."
In an intriguing facet, this will be the first Grand Slam final the 27-year-old will be the favourite on paper.
His previous five major finals were up against the formidable duopoly of Djokovic and Nadal, who have won 18 of the past 22 Grand Slams.
The US Open 2021 winner, toppling Djokovic in New York, heads into his third title showdown at Melbourne Park, in contrast to Sinner's first time feeling at this stage.
"We say, third time lucky. Let’s see. I can say by experience, it’s not always like that, but hopefully here it works," quipped the No.3 seed, who lost the 2022 Australian Open final against Nadal despite a two set lead.
"I hope that this experience can help me. Physical advantage I probably don't have. Tennis advantage, let's see, but three last times he got me.