Vivo X300 Ultra Specifications Confirmed Ahead of March Launch

After a barrage of leaks and rumours about the Vivo X300 Ultra's specifications, Vivo has officially confirmed the specifications of the smartphone ahead of its March 30, 2026 unveiling. The details revealed by the brand confirm that most of the rumoured specifications about the smartphone were indeed true.

Vivo X300 Ultra Performance and Display specs are here

Before the official launch on March 30, 2026, Vivo's head of product, Han Baxiao, took to Weibo, unveiling the key specifications of the Vivo X300 Ultra. For starters, the information confirms the presence of Snapdragon 8 Elite Gen 5, a 6.78-inch 2K flat AMOLED display with a 144Hz refresh rate and Zeiss optics.

Vivo Han Baxiao Vivo X300 Ultra information

Vivo has also revealed the battery capacity, and we find out that earlier rumours about the phone boasting a 6,600mAh battery were spot on. Despite the large battery, the smartphone remains surprisingly slim at 8.19mm. Besides, the battery can charge at 100W wired and 40W wirelessly.

The post also reveals that Vivo is placing heavy emphasis on multimedia. The X300 Ultra brings a quad-microphone setup, specifically designed to enhance audio captured during video recording. It will be paired with a 1697 upward-firing speaker with a 0.8cc sound cavity for a fuller and richer sound. Haptics are also being upgraded thanks to the 751440 vibration motor.

As for the other specifications, the smartphone will feature a 200 MP Sony LYT-901 main camera, a 200 MP Samsung HPB Thanos periscope lens, a 50 MP Sony LYT-818 ultra-wide angle camera and a 12 MP Danxia Color Spectral Lens module, all backed by Zeiss T* Lens coating.

Lastly, the X300 Ultra will boast a new back tap gesture that users can pair to any function, like Flashlight or Do Not Disturb.

The X300 Ultra isn't the only phone launching during the event. Vivo will also unveil the Vivo X300s and the Vivo Pad 6 Pro. The former is expected to boast a 7,100mAh battery combined with Dimensity 9500, while the latter could arrive with 13,000mA battery, a 4K display and a Snapdragon 8 Elite Gen 5 chipset.

With less than a week left for launch, more information about these devices should be revealed as we inch closer to March 30, 2026, so stay tuned. 6,600mAh.