Zenfone 12 Ultra vs Xiaomi 15 Ultra

Xiaomi 15 Ultra wins on battery life with 16:13h active use versus Zenfone 12 Ultra’s 15:50h, and 6000mAh vs 5410mAh in China, while charging faster at 90W wired and 80W wireless versus 65W and 15W. The Zenfone 12 Ultra is best for buyers needing rapid wired charging under 40 minutes and 2500-nit peak brightness for outdoor visibility, ideal for heavy daytime users in bright climates. The Xiaomi 15 Ultra suits those prioritizing resolution (522 ppi vs 388 ppi) and longer software support with four Android upgrades over two, plus double the storage at 512GB. In UAE at AED 4499 vs AED 5000, Xiaomi wins because it offers more storage, faster charging, and longer battery for less. In India at ₹114999 vs ₹69999, Zenfone wins on value because it delivers 90% of the display brightness and 85% of the battery endurance at 40% lower cost.