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Vivo

Vivo X300 Ultra

6.83" • Snapdragon 8 Elite Gen 5 • 200 MP • 3.7x periscope

No reviews yet

The Kacbu Global score is the average of user ratings; it will appear here once this product has collected enough ratings.

Storage
Color
Eclipse Black
6.83"Display
Snapdragon 8 Elite Gen 5Processor
200 MPMain Camera
3.7x periscopeTelephoto
FROM AROUND THE WORLD
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KACBU

Should I buy it?

Vivo X300 Ultra
CONSIDER
  • Current model — 4 months on the market
  • No real owner data yet — the verdict stays cautious
Great choice if these matter:
  • Photo / Video
  • Content Creation
  • Battery Life
Watch out for:
  • One-Handed Use
  • At €1,878.99 for the top configuration, it's among the most expensive phones in this comparison.
4 months on the marketLaunch price €1,879 (EU)
Regret riskLOWlimited data
Main risks
  • One-Handed Use
  • At €1,878.99 for the top configuration, it's among the most expensive phones in this comparison.
  • 232g weight and a camera bump that grows further with the clip-on ZEISS lenses make one-handed use harder.
  • Physical buttons were removed in favor of touch-sensitive zones, a change some reviewers find fiddly.
The risk level is computed from the release date, verified weaknesses and real owner reports. The confidence score only appears once real owner data exists.
Alternatives
Sony Xperia 1 VIIInewer · cheaper at launchCompare
Motorola Edge 70 Maxnewer · cheaper at launchCompare
This box relies only on verified specs, the release date and real owner reports. We do not predict prices.
Global OpinionKacbu ScoreWhat the World SaysWhat Vivo SaysWhat the Press SaysCameraBatteryLaunchSpecificationsFAQQ&AWrite a ReviewAlternatives
Kacbu Global Opinion

What does the world think about this product?

Instead of compressing opinions from different countries into a single score, we show overall satisfaction alongside country-by-country trends.

No reviews yet for this product. Be the one to write the first — the country breakdown starts forming with the first reviews.

Kacbu Score

How many stars are users giving?

The rating distribution will be published here once enough reviews come in.

This product hasn't been rated yet.

What the World Says

User reviews from around the world

Real reviews, written in the author's own language.

No reviews yet — be the first to write one.

Official Statement

What does Vivo say about the product?

A summary of Vivo's official product description.

Official Vivo source

Vivo positions the X300 Ultra as its ultimate imaging flagship, built around the ZEISS Master Lenses Collection.

Vivo brought its X300 Ultra to global markets for the first time as a full Ultra-tier release, launching in China on March 30, 2026 before expanding internationally. The phone is built around dual 200MP ZEISS sensors, a gimbal-stabilized periscope telephoto and optional clip-on ZEISS lens attachments that Vivo markets toward professional and semi-professional creators.

“The X Series' ultimate imaging flagship, featuring the industry-leading ZEISS Master Lenses Collection.”
Open Vivo's official statement
Independent Reviews

What does the tech press say?

Rather than copying the full article, we show a short quote, a Kacbu summary, and a direct link to the source.

GSMArena
2026-04-30
Review — 4.7 / 5
“It is unapologetically ambitious, unapologetically expensive and unapologetically camera-centric. And honestly, vivo has earned the right to be confident here because the X300 Ultra delivers on nearly every front that matters in a modern flagship.”

GSMArena calls it one of the best Android flagships currently available and arguably the most complete camera phone yet made, while flagging the removed physical buttons and average speaker quality as its main compromises.

GSMArena Team
Open the review
Camera System

What does it offer in photo and video?

Main components of the camera system according to the manufacturer's official specifications.

CAMERA SYSTEM

As assertive in video as in photo.

200 MP main camera

200 MP main camera — f/1.9 · 50 MP Ultra Wide — Wide-angle and macro · 3.7x periscope Telephoto — 200 MP optical telephoto

200 MP main camera50 MP Ultra Wide3.7x periscope Telephoto
200 MP main cameraf/1.9
50 MP Ultra WideWide-angle and macro
3.7x periscope Telephoto200 MP optical telephoto
Battery and Charging

What does it offer on the battery side?

Manufacturer's official technical values.

BATTERY AND CHARGING

Battery life is one of the highlights.

6600 mAh

6600 mAh — Silicon-carbon · up to 40 W — Wireless charging · 100 W wired — 100W wired fast charging

6600 mAhup to 40 W100 W wired
6600 mAhSilicon-carbon
up to 40 WWireless charging
100 W wired100W wired fast charging
Who Is It For?

Where does it stand out?

A quick usage guide built from the product's specs and the editorial summary.

Photo / Video

Strong for users who prioritise camera, and video in particular.

Great fit
Content Creation

Professional video formats and fast transfer suit a production workflow.

Great fit
Battery Life

A large battery and fast charging carry it through a heavy day.

Great fit
One-Handed Use

The 6.83-inch body may be harder to handle for fans of smaller phones.

Caution
Editorial Analysis

Strengths and points to consider

Compiled by the Kacbu editorial team from spec sheets, independent press reviews and reported user feedback.

Strengths based on the specs
Dual 200MP ZEISS sensors with gimbal-level OIS deliver some of the sharpest zoom shots of any phone tested this generation.
Optional clip-on ZEISS telephoto extenders push equivalent reach to 400mm — unmatched by any rival's built-in hardware.
6600mAh silicon-carbon battery combined with 100W wired charging covers nearly two days of moderate use.
144Hz LTPO display with 2160Hz PWM dimming is among the most eye-comfortable panels available.
IP68/IP69 rating plus satellite SOS on the top storage tier.
ZEISS Master Lenses Collection gives genuine focal-length-accurate simulated primes, not just digital zoom.
Things to consider
At €1,878.99 for the top configuration, it's among the most expensive phones in this comparison.
232g weight and a camera bump that grows further with the clip-on ZEISS lenses make one-handed use harder.
Physical buttons were removed in favor of touch-sensitive zones, a change some reviewers find fiddly.
OriginOS is a steeper relearning curve for anyone coming from stock Android or a different Chinese skin.
Historical Product Info

Official launch details

Instead of tracking today's retail price, Kacbu keeps the product's official launch information as a reference.

AnnouncedMarch 30, 2026

The manufacturer's official announcement date.

ReleaseApril 3, 2026

The start of the initial sales period.

EU launch price€1,879

Vivo X300 Ultra's launch price.

Design🇨🇳 China
Manufacturing🇨🇳 China, 🇮🇳 India

Vivo is designed out of Dongguan under the BBK Electronics umbrella, alongside its sister brands Oppo and OnePlus; its main production facilities are in Dongguan and Chongqing. More than 99% of the phones it sells in India are assembled locally, making Vivo one of the brands with the highest local-production share in the Indian market.

This is not the current retail price — it shows the product's historical, official launch information.
Specifications

Vivo X300 Ultra specifications

Click a linked value to see other products that share that same spec, and leave a comment on that spec.

Your Selection

Selected storage
256 GB
Selected color
Eclipse Black

Display

Screen Size
6.83 inch
Display Features
Dolby VisionHDR10+2160Hz PWM dimmingArmor Glass
Resolution
1440x3168
Display Technology
LTPO AMOLED
Refresh Rate
144 Hz
Peak Brightness
1935 nit

Base Hardware

GPU
Adreno 840
RAM
16 GB
Chipset
Snapdragon 8 Elite Gen 5
Storage
512 GB
CPU Cores
8-core
Process Node
3 nm
Storage Type
UFS 4.1

Camera

Camera Features
ZEISS Master Lenses CollectionGimbal OIS (CIPA 7.0)200mm/400mm ZEISS additional lens support8K@30fps Video
Telephoto
3.7x periscope
Ultra-wide
50 MP
Main Aperture
f/1.9
Camera Resolution
200 MP
Front Camera
50 MP
Telephoto Camera
200 MP

Battery

Battery Capacity
6600 mAh
Cell Type
Silicon-carbon
Fast-Charge Claim
100W wired fast charging
Fast Charging
100 W
Wireless Charging
Yes
Wireless Charging (W)
40

Design

Depth
8.2 mm
Width
76.8 mm
Height
163 mm
Weight
232 g
Material
Aluminum
Back Cover
Glass

Network Connections

SIM
Dual SIM
5G
Yes
4G
Yes
Satellite
Yes (16GB+1TB)

Operating System

Operating System
Android
Ui
OriginOS 6
OS Version
Android 16

Wireless Connections

NFC
Yes
Wi-Fi
Wi-Fi 7
Bluetooth
5.4

Multimedia

Speakers
Stereo

Features

IP Rating
IP68/IP69
Biometrics
Ultrasonic In-Display Fingerprint

Other connections

USB
USB Type-C

General

Segment
Ultra Flagship
Release Year
2026
FAQ

The most common questions about this product

What the numbers on the spec sheet actually mean in day-to-day use.

Should you buy the Vivo X300 Ultra?
The Kacbu decision box currently says CONSIDER for the Vivo X300 Ultra: the specs hold up, but there are not yet enough real owner reports to strengthen the call. Pros, cautions and alternatives are in the decision box at the top of this page.
Are the clip-on ZEISS telephoto lenses worth buying separately?
If you regularly shoot distant subjects — wildlife, sports, concerts — yes, the 400mm equivalent reach is genuinely unique to this phone. For everyday photography the built-in 3.7x periscope alone already outperforms most rivals, so the add-on lenses are a niche purchase, not a requirement.
How does removing physical buttons affect everyday use?
Volume and power controls are now touch-sensitive zones along the frame. Most reviewers adapt within a day or two, but it does mean less reliable operation with gloves on or through a thick case — worth testing in person if you rely on tactile buttons.
Is the 6600mAh battery actually better than the OnePlus 15's 7300mAh cell?
In raw capacity, no — the OnePlus 15 is larger. In practice the X300 Ultra's efficient chipset and display tuning bring real-world endurance close enough that most users won't notice the difference across a normal day.
Q&A

What are users asking each other?

If there's something specific to your own use case, ask — people who use this product will answer.

Have a question about Vivo X300 Ultra?Be the first to ask

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Shared Hardware

Products that share this hardware

This product's standout specs. You can jump to other models that use the same value.

ChipsetSnapdragon 8 Elite Gen 517 more productsRAM16 GB12 more productsStorage512 GB10 more productsGPUAdreno 84012 more productsScreen Size6.83 inch11 more productsDisplay TechnologyLTPO AMOLED7 more productsRefresh Rate144 Hz16 more productsResolution1440x31682 more productsDisplay FeaturesHDR10+54 more productsDisplay FeaturesDolby Vision23 more productsDisplay Features2160Hz PWM dimming5 more productsDisplay FeaturesArmor GlassThis is the only product using itBattery Capacity6600 mAhThis is the only product using itFast Charging100 W15 more productsWireless ChargingYes52 more productsCamera Resolution200 MP8 more productsCamera Features8K@30fps Video2 more productsCamera FeaturesZEISS Master Lenses CollectionThis is the only product using itCamera FeaturesGimbal OIS (CIPA 7.0)This is the only product using itCamera Features200mm/400mm ZEISS additional lens supportThis is the only product using itOperating SystemAndroid77 more products5GYes84 more products
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GLOBAL COMMUNITY

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