4. That Display: 6.82″ of 144 Hz Smoothness
The front of the device is dominated by a flat 6.82-inch (17.32 cm) display running at $3168 \times 1440$ resolution.
The 1 Hz to 144 Hz dynamic adaptive refresh rate makes a huge difference in daily feel. Scrolling through long feeds or editing high-res photos feels liquid-smooth, yet the panel drops down to 1 Hz when idling to keep power consumption low.
5. Battery Life & Daily Durability
Powering all this hardware is a huge 6,600 mAh single-cell Li-ion battery (rated at 6,395 mAh / 23.92 Wh).
- Endurance: Even on heavy camera testing days (shooting 4K video and taking hundreds of 200 MP photos), I easily made it through a full day with juice to spare.
- Top-Ups: When it was time to recharge, the 100W FlashCharge wired charger got me back to full in a flash, and the 40W Wireless Charge made desktop charging seamless.
- Build Protection: Thanks to both IP68 and IP69 ratings, I had complete peace of mind shooting outdoors in heavy rain or around high-pressure spray environments.
Software-wise, it runs OriginOS 6 on top of Android 16, keeping animations slick and system navigation snappy.
Conclusion ^ Video Review
After two weeks of testing, the vivo X300 Ultra stands out as a genuine hybrid between a high-performance Android device and a professional cinema camera. With its Snapdragon 8 Elite Gen 5 chip, robust 5G NSA/SA coverage, 144 Hz display, dual 200 MP camera system, extended digital zoom up to 8100 mm to shoot the moon’s surface, and rock-steady handheld video stabilization, it sets a ridiculously high standard for what a smartphone can achieve.
If you are someone who is look for a camera + phone two in one solution, the X300 Ultra is one of the best phones out there with amazing photo and video capabilities. Unfortunately, the price tag is also pretty high.
I have provided the links to local electronic stores Shopee and Lazada below. You can check out the pricing there.
Pricing
Shopee : S$2599 Telephoto extender kit S$499
You can also watch our Youtube video review below