Xiaomi 15 Ultra 16GB RAM 512GB

Both the Xiaomi 15 Ultra and the 15T Pro are new 2025 models supporting 5G and offering 512GB of storage, but the Ultra variant targets a higher-tier experience. A notable upgrade in the Ultra is its superior RAM configuration, providing 16GB compared to the 12GB in the 15T Pro, which will benefit heavy multitasking. The Ultra also boasts a slightly faster processor speed at 4.32 compared to 3.63 in the T Pro. While both phones share premium features like an AMOLED display, IP68 rating, and wireless charging, the 15 Ultra features a larger 6.73-inch screen versus the 6.83-inch display on the T Pro, though the Ultra has a higher pixel density of 522. Furthermore, the Ultra is equipped with four rear cameras, whereas the 15T Pro has three, suggesting a more advanced camera system on the flagship.