The 2007 world champion has signed a deal to return to Sauber after losing his Ferrari seat to Charles Leclerc during the 2018 season.
Sauber will run under the Alfa name this year and the team will make an encouraging start to the pre-season test last week in Barcelona, where Raikkonen said his preparations for off- track has also been very clear.
"There are different teams but I do not think it's better or worse," he said when asked if he felt the team had a better fit than Ferrari
"We are working for a while now and everything felt smooth [on the first day] It's a normal way [of working].
"When I'm driving I do not feel
" There's always a doubt, changing teams. and start getting things you want, but for now it's very easy to move.
"It's a great group of people. It's not as much as my first team, but they are great people and everything is working well. "
Alfa seems to finish the first week of testing as a potential top runner in midfield battle with one
However, Raikkonen predicted a" busy "last two days behind the wheel this week to "set" the car set up.
He said he has no target for the season.  "We will not do the maximum we can all, and then I do not have it is doubtful that the results will come, "he said." What will be the result of the final result is impossible to say.
they were working in the car, and what they did in the winter, seemed to match well what we expected.
"Where it lasts us, no idea, no one knows, after the trial, where everything is."