Vivo X300 Ultra: Update resolves significant issues
The Vivo X300 Ultra is one of the most impressive new smartphones of 2026 so far and is aimed primarily at people who place a high value on photography. The focus of this review is on the sophisticated camera system, which features three large sensors and Zeiss optics and is designed to deliver outstanding performance, especially in challenging lighting conditions. We appreciate the high level of detail, the powerful 200-megapixel zoom camera, and the overall versatility of the shooting options. Vivo is setting a new standard in pixel binning: instead of outputting photos at 12 megapixels by default, as many competitors do, the device captures 25-megapixel images, which is intended to preserve more detail.
Even beyond the camera, the device makes a strong impression. The large 144 Hz LTPO OLED display offers high brightness and excellent color reproduction. Add to that a powerful Snapdragon 8 Elite Gen 5, long battery life, and fast charging. Nevertheless, our review isn’t without criticism. Especially under heavy load, the smartphone generates a lot of heat and noticeably throttles its performance. We also take issue with comparatively high power consumption in idle mode and only average speakers. In some cases, the colors in photos also appear a bit too vivid or artificial. Despite these weaknesses, the overall verdict is very positive: Especially for photo and video enthusiasts, the Vivo X300 Ultra is currently among the absolute top tier.
Vivo has now made significant improvements to two of our points of criticism via an update (Build PD2547GF_EX_A_16.0.6.5.W30): first, power consumption under load, and second, the camera’s color reproduction. Reason enough to retest the aforementioned features.
In terms of power consumption at idle, the Vivo X300 Ultra now performs at a level befitting a top-tier smartphone. Vivo has done an excellent job of optimizing this aspect.
The smartphone's camera also exhibited some serious shortcomings in color reproduction at launch, particularly with brown and green tones. Here, too, the X300 Ultra shows significant improvement.
We have incorporated these changes into our review and adjusted the rating for the Vivo X300 Ultra.
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