What you should know
vivo X300 Ultra is an imaging system more than an everyday specification contest. Its ZEISS camera accessories, particularly a 400mm-equivalent telephoto extender, target photographers who plan shots instead of relying on automatic crops.
What is this phone trying to do?
vivo's 2026 global launch materials emphasize color science and cinematic video options. An independently tested GSMArena review is available for judging camera balance, but add-on lens performance should be checked separately from ordinary phone-only results.
Specifications and configuration limits
The available manufacturer documentation establishes the model family, but this research package does not independently reconcile its chipset, camera modules, battery, storage configurations and market SKUs. Treat those fields as open rather than copying numbers from a different regional variant.
Strengths and important compromises
The accessories add carrying weight and extra expense, and regional availability differs from its China roots. People who mainly scan documents or shoot casual daylight photos will not exploit the system.
Photography comparisons should rely on original full-resolution samples in similar conditions, not advertised megapixel totals. Color consistency, processing, focal lengths and shutter timing will often determine practical usefulness.
What independent reviewers have established
GSMArena has published an independent technical review of this model. Its coverage includes ultra-premium imaging; regional model and software differences. That source is a separate evaluation, not testing conducted by GearVerity; verify its measured results directly before making a claim about battery life, screen quality, cameras or speed.
Who should buy it — and who should not?
Consider this model if you are among telephoto enthusiasts, wildlife hobbyists and mobile video creators. The device makes the most sense when its distinctive capability will actually be used, and when official local service is available.
Avoid it, or wait for fuller testing, if you are among buyers who prefer simple photography without accessories. Purchase decisions should weigh the return window, repair pricing and day-to-day app needs as heavily as the launch presentation.
Alternatives to compare: Sony Xperia 1 VIII for manual controls; Huawei Pura 90 Pro Max for another specialist camera ecosystem.
Buying and support in October 2026
A documented availability milestone is 2026-04-15; it must not be mistaken for a proven worldwide first-sale date. The first-market note is: Europe retail by April30 per independent review.
Published support information in the device research: At least security to 07/2031 and Android 17–21 per vivo security AER listing. Verify that the policy applies to your exact SKU and purchase region.
Sources and further reading
Detailed specifications
Only recorded manufacturer-backed values are listed. Missing values are omitted rather than guessed; regional variants can differ.
Display
| Display | 6.82-inch, 3168 × 1440, 1–144 Hz |
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Performance & storage
| Processor | Snapdragon 8 Elite Gen 5 |
|---|---|
| RAM & Storage | 16 GB + 512 GB (listed Türkiye configuration) |
Battery & charging
| Battery | 6600 mAh typical (listed Türkiye variant) |
|---|---|
| Charging | 100 W wired; 40 W wireless |
Other specifications
| Ingress protection | IP68, IP69 |
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Sources and limitations
This is an editorial synthesis—not a claim that GearVerity physically tested the unit. Confirm region, availability, price, software support, and configuration with the manufacturer or retailer.