
The OPPO Find X9 Ultra and vivo X300 Ultra are two flagship smartphones powered by Qualcomm’s Snapdragon 8 Elite Gen 5 chipset.
Both feature high-resolution AMOLED displays, large batteries, advanced camera systems, and support for optional external telephoto lenses.
But what are the differences between these two flagship phones? Here’s a closer look at how they compare based on their specifications.
The OPPO Find X9 Ultra measures 163.16 x 76.97 x 9.10 mm and weighs 236 grams, while the vivo X300 Ultra measures 162.98 x 76.81 x 8.49 mm and weighs 237 grams.
The Find X9 Ultra features an aluminum frame with a glass back and carries IP66, IP68, and IP69 ratings. Meanwhile, the X300 Ultra also has a glass back and is rated IP68 and IP69 for dust and water resistance.


Overall, the vivo X300 Ultra is slightly thinner, while the OPPO Find X9 Ultra offers an additional IP66 rating.
Both smartphones feature a 6.82-inch AMOLED display with a 3168 × 1440 resolution.
The OPPO Find X9 Ultra is protected by Corning Gorilla Glass Victus 2 and reaches up to 3,600 nits of peak brightness.

Meanwhile, the vivo X300 Ultra uses Armor Glass (Mohs level 4) and offers a higher 4,500 nits peak brightness.

Overall, both offer similar display sizes and resolution, while the vivo X300 Ultra has the higher advertised peak brightness.
The two smartphones are equipped with flagship camera systems but use different sensor combinations.
The OPPO Find X9 Ultra features:


Meanwhile, the vivo X300 Ultra comes with:
For selfies, both devices use a 50MP front camera.
Based on the specifications alone, the OPPO Find X9 Ultra includes an additional rear camera, while both offer high-resolution primary and telephoto sensors.
Both brands also offer optional telephoto accessories for extended zoom capabilities.
The OPPO Find X9 Ultra supports an optional 300mm add-on zoom lens, available through the Find X9 Ultra Hasselblad Earth Explorer Kit, priced at PHP 24,999.
Meanwhile, the vivo X300 Ultra supports optional 200mm and 400mm add-on zoom lenses. The ZEISS Telephoto Kit is priced at PHP 13,999.
Both smartphones are powered by the Qualcomm Snapdragon 8 Elite Gen 5 chipset.
Since they use the same processor, differences in actual performance may depend on software optimization, cooling, and memory configuration.
You can check out our vivo X300 Ultra review here.
Battery capacity is another difference between the two devices.
The OPPO Find X9 Ultra packs a 7,050mAh battery with 100W wired and 50W wireless charging.


Meanwhile, the vivo X300 Ultra features a 6,600mAh battery with 100W wired and 40W wireless charging.
Overall, the Find X9 Ultra has a larger battery and faster wireless charging, while both support the same 100W wired charging speed.
The OPPO Find X9 Ultra is priced at PHP 139,999 for the 12GB + 512GB variant.
Meanwhile, the vivo X300 Ultra is priced at PHP 109,999 for the 16GB + 512GB variant.


The OPPO Find X9 Ultra and vivo X300 Ultra share several flagship specifications, including the same display size, processor, and 100W wired charging support.
The Find X9 Ultra offers a larger battery, faster wireless charging, an additional rear camera, and an IP66 rating.
Meanwhile, the vivo X300 Ultra features a thinner design, a brighter display, optional 400mm zoom lens support, and a lower launch price while offering more RAM in its available configuration.
Which one would you choose?

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