Yes, the Xiaomi Mi 10T 5G with its Snapdragon 865 5G chipset is still a great choice for playing PUBG and other competitive games. The Snapdragon 865 is a flagship-level processor with strong performance and graphics capabilities, which will provide a smooth gaming experience for PUBG and similar games. It should be able to handle these games with ease, providing high frame rates and smooth gameplay.
For casual gaming and not for tournament purposes, the Xiaomi Mi 10T 5G should be more than capable of meeting your needs. Its powerful chipset, combined with a high refresh rate display, will ensure a responsive and immersive gaming experience. Just make sure to adjust the graphics settings in the game to achieve the best balance between performance and visual quality based on your preferences.