It is a stong tank, especially against infantry and medium tanks, because those units usually don't survive more than two hits. The penenetration however is "only" 140, so the effectiveness against heavy tanks is limited.
The armor is also very important to note: While it has 300 front armor (same as Tiger), it has only 87,5 rear armor. Together with the slow rotating turret it is very susceptible to flanks.
It's too early to call it OP.
