Shold we spec up?

We are using the premium P1.
1. The data source is using data flow.
2. For the tables, we are using 60 million data and 200,000 data.
3. As a result of aggregation, it takes more than 2 minutes to aggregate a matrix table of about 12x500 cells.
4. There are no errors or warnings about memory.

To be able to display this report within 20~30 seconds if possible, would we solve this by increasing the specs of Premium?

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thanks