Rumours suggest that this year more smartphone brands may adopt “Max” and “Pro Max” branding to differentiate larger, feature-packed flagship models. The Redmi Turbo 5 Max is one such example, while leaks indicate that the Xiaomi 17 Max and Vivo X300 Max are also in development, positioned in a different league with strong photography-focused capabilities. Here’s a comparison between the two based on current leaks to understand how they may compete and where each device could stand out.

Design, display and performance expectations

The Vivo X300 Max is rumoured to feature a 6.78-inch OLED flat display with 1.5K resolution and ultra-thin bezels, offering a balance between sharp visuals and immersive viewing. Under the hood, the device will be equipped with the Dimensity 9500, which also powers the X300 and X300 Pro.

The Xiaomi 17 Max, meanwhile, is tipped to arrive with a slightly larger flat OLED display measuring around 6.8 inches or 6.9 inches, also featuring slim bezels on all sides. Performance is expected to be driven by the Snapdragon 8 Elite Gen 5 processor, aligning it with other devices in the Xiaomi 17 series. Design-wise, the phone may follow a cleaner rear layout similar to the standard Xiaomi 17 rather than adopting experimental elements seen on higher-end variants. It will not feature a secondary rear display like the Xiaomi 17 Pro series.

The Vivo X300 Max and Xiaomi 17 Max are also expected to closely resemble the existing Vivo X300 and Xiaomi 17 designs, although the “Max” branding suggests larger dimensions compared to their standard counterparts.

Battery capacity and charging capabilities

The Xiaomi 17 Max is rumoured to include a massive 8,000mAh battery supported by 100W wired charging and 50W wireless charging, potentially placing it among the longest-lasting premium smartphones. The Vivo X300 Max, on the other hand, is expected to feature a 7,000mAh battery, which remains substantial and should deliver strong daily performance without significantly increasing device thickness.

The Vivo X300 Max will run on Android 16 with a layer of OriginOS 6 on top. On the other hand, the Xiaomi 17 Max will have HyperOS 3-based Android 16, and both devices will have an ultrasonic in-screen fingerprint sensor.

Camera hardware and launch timelines

The Vivo X300 Max is said to include a circular camera module housing a 200-megapixel main sensor, an ultrawide camera, and a mid-tier periscope telephoto lens. Xiaomi’s rival device could feature a 200-megapixel Samsung ISOCELL HPE primary camera, a 50-megapixel Sony periscope telephoto lens, and a 50-megapixel ultrawide camera, indicating an emphasis on versatile photography performance.

Launch timelines also differ slightly. The Vivo X300 Max is expected to debut in March in China alongside other X300 series models, while the Xiaomi 17 Max is rumoured to arrive in April. Global availability remains unclear for both devices, but current leaks suggest the Xiaomi 17 Max may prioritise battery capacity and charging speeds, whereas the Vivo X300 Max appears focused on balancing display quality, imaging, and overall flagship performance.

Which one do you think looks better based on the leaks so far, the Vivo X300 Max or the Xiaomi 17 Max? Share your thoughts.

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The post Vivo X300 Max vs Xiaomi 17 Max: Two mega flagships gearing up for a camera and battery showdown appeared first on Gizmochina.