The Xiaomi 15T and Xiaomi Poco F7 Ultra offer strong performance, with both phones featuring 512GB of internal storage. However, the Poco F7 Ultra comes with 16GB of RAM, surpassing the 12GB of RAM found in the Xiaomi 15T. In terms of benchmarking, the Xiaomi 15T achieves an AnTuTu score of 1,821,100, while the Poco F7 Ultra outperforms it with a score of 2,580,490. The Geekbench 6 results reflect a similar trend, with the Xiaomi 15T scoring 6,033 in multi-core and 1,571 in single-core tests, while the Poco F7 Ultra scores 8,887 in multi-core and 2,970 in single-core tests.
The two devices differ significantly in their chipsets. The Xiaomi 15T is powered by the MediaTek Dimensity 8400, with a CPU that features a combination of 1 core at 3.25 GHz, 3 cores at 3.0 GHz, and 4 cores at 2.15 GHz. On the other hand, the Poco F7 Ultra is equipped with the Qualcomm Snapdragon 8 Elite, which has a CPU with 2 cores at 4.32 GHz and 6 cores at 3.53 GHz. The Xiaomi 15T uses a 4 nm semiconductor size, while the Poco F7 Ultra uses a more advanced 3 nm semiconductor size, which could contribute to higher efficiency and performance.
When it comes to GPU, the Xiaomi 15T has a Mali G720 MC7 GPU running at a clock speed of 1,300 MHz, while the Poco F7 Ultra features the more powerful Adreno 830 GPU, clocked at 1,100 MHz. The Poco F7 Ultra also has a higher memory bandwidth of 85.1 GB/s, compared to the 68.2 GB/s of the Xiaomi 15T. Additionally, the Xiaomi 15T supports OpenCL 2, while the Poco F7 Ultra supports OpenCL 3, and both phones have integrated graphics and support for DirectX 12. Both devices use big.LITTLE technology and have 8 CPU threads, but the Poco F7 Ultra’s higher RAM speed of 5,300 MHz and larger L2 cache of 12 MB give it a slight edge in multitasking and data handling capabilities.