The Zenbook Pro 15.6" UHD 4K Touch Laptop, Intel Core i7-8750HK, 16GB of RAM, 512GB of SSD, Win10 Pro, GTX1050Ti, and the other two are the same.
ASUS UX550GE-XB71T Zenbook Pro 15.6" UHD 4K Touch Laptop, Intel Core i7-8750HK, 16GB RAM, 512GB SSD, Win10 Pro, GTX1050Ti