Technically they're the same . However, if it's name the "Temple" instead of Church or Cathedral, I'm not sure. If you see a priest wearing a robe and people are falling in line for the Holy Communion, I would conclude that it's a Catholic Church. Anyways, great photos you have. :D
RE: Zerkalʹnaya struya & Khram Svyatogo Zhon-Myronosytska Cathedral || Tourist Attractions in Kharkov, Ukraine