Samsung Galaxy S26 Ultra vs Vivo X300 Ultra: Both Samsung Galaxy S26 Ultra and Vivo X300 Ultra smartphones are expected to launch in 2026 and doubtlessly these smartphones will be powered by powerful Snapdragon 8 Elite Gen 5 processor. But the additional features which will be equipped with them make the real difference, so here I have compared both smartphones based on their expected features such as camera specs, battery pack and charging speed, display and design, and other factors so you will get a clear idea which upcoming flagship is more powerful.
Samsung Galaxy S26 Ultra vs Vivo X300 Ultra Camera Setup

If you look at camera setup, then Samsung Galaxy S26 Ultra smartphone is expected to feature a quad camera setup which will include a 200MP main Sony sensor + 50MP ultra-wide camera + 12MP telephoto lens with 3x optical zoom + 50MP periscope telephoto camera with 5x optical zoom.
Simultaneously, Vivo X300 Ultra smartphone is likely to feature a triple camera setup which will include a 200MP main sensor + 200MP ultra-wide camera, whereas in front you may get a higher-resolution 50MP selfie camera.
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Samsung Galaxy S26 Ultra vs Vivo X300 Ultra Performance
Samsung Galaxy S26 Ultra 5G smartphone may be powered by Qualcomm Snapdragon 8 Elite Gen 5 or Exynos 2600 processor and it is expected to run on Android 16 with One UI 8.5.
On the other hand, Vivo X300 Ultra smartphone is also expected to be powered by Snapdragon 8 Elite Gen 5 processor and it is expected to run on Android 16 with Origin OS 6. Despite being equipped with a similar processor, the real-world performance may vary and it can only be told after its hands-on experience.
Samsung Galaxy S26 Ultra vs Vivo X300 Ultra Battery Pack

Samsung Galaxy S26 Ultra 5G smartphone is expected to get a 5000 mAh battery pack and it may also get 66W wired fast charging and 35W wireless charging support.
On the other hand, Vivo X300 Ultra smartphone may also get a 6000 mAh to 6510 mAh battery pack and it is expected to support 120W wired fast charging and 50W wireless charging.
Read More: Vivo X300 Pro vs Huawei Pura 80 Ultra – Which One Is Overall Best?
Which Upcoming Flagship Is More Powerful?
So users who want a feature-complete, reliable and all-rounder flagship experience with guaranteed long-term support and the unique S-Pen, then they should go with Samsung Galaxy S26 Ultra smartphone.
On the other hand, if they want a photography-focused smartphone and a massive battery pack with faster charging support, then Vivo X300 Ultra smartphone will be the perfect choice. However, you should keep in mind that both of these smartphones are expected and not launched or announced yet.










