vivo X300 Ultra Specifications

vivo X300 Ultra stands out as a practical high-capacity device built around battery life, reliable performance, and broad everyday usability. It entered the market in 2026, March 30.

vivo X300 Ultra features 6.82 inches, 113.0 cm2 (~90.3% screen-to-body ratio) LTPO AMOLED, 1B colors, 144Hz, 2160Hz PWM, Dolby Vision, HDR10+, HDR Vivid panel with 1440 x 3168 pixels (~510 ppi density), giving the front of the device a clean, modern look suited to media and gaming. In daily use, audio features include Yes, with stereo speakers. The chassis uses Glass front, glass back, aluminum frame. Protection highlights include IP69/IP68 dust tight and water resistant (immersible up to 1.5m for 30 min). Its physical footprint is 163 x 76.8 x 8.2 mm or 8.5 mm, 232 g or 237 g (8.18 oz).