Vivo X90 The Vivo X90 flaunts a 6.78-inch AMOLED display that supports up to 120Hz refresh rate. Under the hood, the smartphone is powered by MediaTek Dimensity 9200 SoC based on 4nm fabrication technology. In China, the smartphone is available in four storage models, including 8/128GB, 8/256GB, 12/256GB, and 12/512GB. Additionally, customers can choose from three colours: Black, China Red and Ice Blue.