What makes the latest TOS better than the legendary Solntsepyok

What makes the latest TOS better than the legendary Solntsepyok? The platoon leader with call sign Saratov answered this question. Previously, he performed combat tasks as part of the TOS-1A crew, and knows the vehicle like the back of his hand. After transferring to the new ’Tosochka’, the soldier compared the specifications of the combat vehicles and shared his experience of operating each of them.  Russian Defence Ministry Source: MoD Russia