Official manufacturer render.
vivo
X300 Ultra
- 6.8-inch
- Snapdragon 8 Elite Gen 5
- 232 g
- 6600 mAh
- Model number
- X300 Ultra
Available colors
Selected: White
Physical specifications
6.8"
Display size
232 g
Weight
163.0 mm
Height
76.8 mm
Width
8.2 mm
Thickness
19:9
Aspect ratio
Release and pricing
- Released
- May 14, 2026
Display
- Display size
- 6.8"
- Resolution
- 3168 × 1440
Performance
- Chipset
- Snapdragon 8 Elite Gen 5
- RAM
- 16 GB
- Storage
- 512 GB
Battery & charging
- Typical capacity
- 6600 mAh
- Rated capacity
- 6395 mAh
- Wired charging
- 100 W
Cameras
- Rear cameras
- Main · 200 MP · ƒ/1.85 · OIS; Ultra Wide · 50 MP · ƒ/2.0; Telephoto · 200 MP · ƒ/2.67 · OIS
- Front cameras
- Front · 50 MP · ƒ/2.45
Connectivity
- Cellular
- 5G, LTE
- Wi‑Fi
- Wi‑Fi 6E
- Bluetooth
- Bluetooth 6.0
- USB
- USB 3.2
Sizometry Analysis
Overall Score
8.5
out of 10
A Zeiss imaging flagship that leads 2026 Android camera conversations with 200 MP main output, periscope reach, Elite Gen 5 speed, and a sharp QHD+ panel — held back in daily ownership by 76.81 mm width, 232 g weight, OriginOS clutter, and thermal warmth during long video sessions.
Category scores
Camera
9.5
Zeiss quad array with 200 MP main and periscope telephoto ranks among the strongest early 2026 Android imaging packages for zoom, detail, and night portraits.
Battery and charging
8.5
6,600 mAh covers typical days well with 100 W and 40 W wireless recovery, though heavy 200 MP and 4K workflows drain faster than X300 FE accounts.
Performance
9.0
Snapdragon 8 Elite Gen 5 excels in camera and gallery workloads with mild warmth during long 4K recording and gaming.
Handling and portability
6.0
76.81 mm width and 232 g produce consistent one-handed fatigue — the Ultra's clearest ergonomics compromise versus compact siblings. Wide, heavy chassis with a large camera plateau feels awkward in front pockets and tight jeans.
Build quality
8.5
IP68/IP69 sealing, premium materials, and solid assembly impress; large camera module demands case care.
Value
8.5
Competitive feature set and pricing for the target buyer, with clear trade-offs versus premium siblings.
Strengths
- Class-leading Zeiss imaging with 200 MP main and periscope telephoto
- Sharp 6.82-inch QHD+ AMOLED with adaptive 144 Hz
- Elite Gen 5 speed with 100 W wired and 40 W wireless charging
Weaknesses
- Heavy 232 g phablet ergonomics versus X300 FE and standard flagships
- OriginOS 6 promotional surfaces at Ultra pricing
- Thermal warmth during sustained 4K video and gaming
Best for
- Mobile photographers who prioritize zoom reach and Zeiss output
- Travel shooters needing IP69 confidence and versatile lenses
- Creators who review and edit on a large QHD+ canvas
- Upgraders from older vivo Pro or Ultra imaging phones
Less suitable for
- Pocket-first and one-handed commuters
- Casual buyers who rarely use telephoto
- Users wanting neutral color science without Zeiss stylization
- Shoppers sensitive to weight below 200 g
Upgrade recommendation
Current device: X200 Pro, X100 Ultra, or older imaging flagships
Recommendation: Strongly recommendedNotes: Elite Gen 5 speed, improved Zeiss optics, QHD+ panel, and faster charging address clear multi-generation imaging gaps.
Current device: X300 FE owners
Recommendation: Depends on prioritiesNotes: Step up only if periscope reach and 200 MP workflows matter daily — ergonomics regress sharply otherwise.
Current device: Galaxy S26 Ultra owners
Recommendation: Depends on prioritiesNotes: Choose Ultra for Zeiss zoom and stills character; stay Samsung for S Pen, ecosystem, and video pipeline preferences.
Current device: Casual flagship users
Recommendation: Probably unnecessaryNotes: Imaging specialization and weight rarely justify the premium for buyers who do not live in the camera app.
Current device: Shoppers deciding between X300 Ultra and X300 FE
Recommendation: Depends on prioritiesNotes: Choose Ultra for Zeiss imaging reach; choose FE for pocket fit, lighter weight, and endurance density.
Everyday usability
Estimated from device dimensions and weight.
One-handed use
AverageOne-handed use is possible, though two hands will often feel easier.
Pocket friendliness
GoodGenerally pocket-friendly for everyday carry.
Carry comfort
HeavyHeavier in the hand; longer sessions may feel more tiring.
Reading and media
More comfortable for reading and media than compact phones.
Gaming
High-endIts processor and graphics hardware are suited to demanding games and higher visual settings.
Bottom line
The vivo X300 Ultra earns respect as vivo's 2026 imaging flagship through Zeiss quad cameras with 200 MP main detail and periscope telephoto reach, Snapdragon 8 Elite Gen 5 responsiveness, a sharp 6.82-inch QHD+ AMOLED, 6,600 mAh endurance with 100 W and 40 W wireless charging, and IP68/IP69 sealing for travel confidence. Its strongest appeal is camera output that early reviewers place near the top of the Android Ultra class. The dominant trade-offs in the first two months remain 76.81 mm width, 232 g weight, pocket awkwardness, OriginOS 6 promotional clutter, and warmth during long 4K sessions. Shoppers who prioritize one-handed comfort should strongly consider the X300 FE; photographers who accept phablet ergonomics rarely regret the imaging upgrade.
Models and configurations
- Storage
- 512 GB
- Connectivity
- 5GLTE
- Colors
- WhiteBlackGreen
- RAM
- 16 GB
- Model variants
- X300 Ultra
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