According to this site (https://news.energysage.com/tesla-solar-roof-price-vs-solar-panels/ https://news.energysage.com/tesla-solar-roof-price-vs-solar-...) it

According to this site (https://news.energysage.com/tesla-solar-roof-price-vs-solar-panels/ https://news.energysage.com/tesla-solar-roof-price-vs-solar-...) it is not only ~33% more expensive but also less efficient.