Based on this product's specifications, here are some alternatives and similar models
Smartphone POCO F8 Ultra — 6.9" (17.5 cm) 2608×1200, Snapdragon 8 Elite Gen 5 3.6 GHz, 16 GB RAM, 512 GB, 6500 mAh, Dual SIM, IP68, Black
Summary description:
POCO F8 Ultra is a high-capacity Android smartphone with a 6.9" (17.5 cm) 2608×1200 display and Qualcomm Snapdragon 8 Elite Gen 5 processor up to 3.6 GHz. It offers 16 GB LPDDR5X RAM, 512 GB internal storage, a 50 MP triple rear camera and 32 MP front camera. Features include Dual SIM 5G, IP68 protection and a 6500 mAh battery for extended use, suitable for multimedia, gaming and long-lasting daily use.