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New Delhi, October 22 (Read): In a surprising turn for smartphone photography enthusiasts, the Vivo X300 has emerged as a strong challenger to the Samsung Galaxy S25 Ultraoutperforming it in several real-world camera comparisons. According to a detailed report by Gizmochinathe compact flagship’s Zeiss-tuned optics and advanced image processing have given it an edge over Samsung’s premium model in both sharpness and color accuracy.

The Vivo X300 features Samsung’s 200MP ISOCELL HPB sensormeasuring 1/1.4-inch in size—slightly smaller than the Galaxy S25 Ultra’s ISOCELL HP2 (1/1.3-inch) sensor. While both sensors offer ultra-high resolutions, their small pixel sizes make image processing quality the decisive factor.

Side-by-Side Comparison: Vivo X300 vs Galaxy S25 Ultra

Leaker Ice Universe shared a series of side-by-side camera samples on X (formerly Twitter), showing both phones’ performance under varied lighting conditions. Despite Samsung’s years of optimization for the HP2 sensor, the Vivo X300 reportedly delivered sharper, more vibrant, and lower-noise imagesespecially in daylight scenes.

The Zeiss partnership appears to be paying off, with Vivo’s optics and processing pipeline producing more natural contrast and lifelike color tones. In detailed textures and high-dynamic-range shots, the X300 maintained better balance without overprocessing.

In contrast, Samsung’s output on the S25 Ultra looked flatter and less color-accurateparticularly when zoomed in. Ice Universe even remarked:

New Sensor vs Proven Powerhouse

While the ISOCELL HPB is a brand-new sensor debuting with Vivo, Samsung’s HP2 has undergone multiple refinements over generations. Yet, Vivo’s software optimization and Zeiss calibration seem to have given it the upper hand.

With the global launch of the Vivo X300 series expected soon, the device could be a serious alternative to the $1,300+ Galaxy S25 Ultra — offering flagship-grade imaging in a more compact and affordable package.

For mobile photography enthusiasts and users who prioritize camera quality over brand legacy, the Vivo X300 could well redefine what a “small flagship” can achieve.

Bhupendra Singh Chundawat is a seasoned technology journalist with over 22 years of experience in the media industry. He specializes in covering the global technology landscape, with a deep focus on manufacturing trends and the geopolitical impact on tech companies. Currently serving as the Editor at Readhis insights are shaped by decades of hands-on reporting and editorial leadership in the fast-evolving world of technology.