Based on this product's specifications, here are some alternatives and similar models
Smartphone Xiaomi Redmi Note 15 — 6.77" (17.2 cm), Helio G100 Ultra 2 GHz, 8 GB RAM, 256 GB, 108 MP triple camera, 6000 mAh, Black
Summary description:
Xiaomi Redmi Note 15 is an Android smartphone with a 17.2 cm (6.77") 2392×1080 display, powered by MediaTek Helio G100 Ultra (up to 2 GHz). It has 8 GB LPDDR4X RAM and 256 GB internal storage. The rear triple camera system includes a 108 MP main sensor. A 6000 mAh battery provides long runtime. Weight: 183.7 g. Colour: Black.