Are Tianfu New District and Xindu District in Chengdu the same district?

No, it's two districts under the jurisdiction of Chengdu. Tianfu New District is located in the south of Chengdu Plain, strategically positioned as an international modern new district with modern manufacturing industry as the mainstay, high-end service industry gathering, and suitable for industry, business and living. Xindu District, located in the north of Chengdu, is the sub-center of the north of Chengdu and undertakes the functions of Chengdu machinery, lT, electronics, food, biopharmaceuticals, tourism and logistics base. This is an ancient city with a long history.