Official manufacturer render.
vivo
X300
- 6.3-inch
- MediaTek Dimensity 9500
- 190 g
- 6040 mAh
- Model number
- X300
Available colors
Selected: Purple
Physical specifications
6.3"
Display size
190 g
Weight
150.6 mm
Height
71.9 mm
Width
8.0 mm
Thickness
19:9
Aspect ratio
Release and pricing
- Released
- October 31, 2025
Size in everyday life
Picture it in your front pocket.
2018 US jeans study · 20 brands · 80 pairs · Approx. 32-inch waists
X300
Display
- Display size
- 6.3"
- Resolution
- 2640 × 1216
- Refresh rate
- 120 Hz
- Peak brightness
- 4500 nits
Performance
- Chipset
- MediaTek Dimensity 9500
- RAM
- 12 GB, 16 GB
- Storage
- 256 GB, 512 GB
Battery & charging
- Typical capacity
- 6040 mAh
- Wired charging
- 90 W
- Wireless charging
- 40 W
- Battery type
- Li-ion
Cameras
- Rear cameras
- Main · 200 MP · ƒ/1.68 · OIS; Ultra Wide · 50 MP · ƒ/2.0; Telephoto · 50 MP · ƒ/2.57 · 3x optical zoom · OIS
- Front cameras
- Front · 50 MP · ƒ/2.0
- Video recording
- 4K at 60 fps
Build & durability
- Ingress protection
- IP68; IP69
Connectivity
- Cellular
- 5G, LTE
- Wi‑Fi
- Wi‑Fi 7
- Bluetooth
- Bluetooth 6.0
- USB
- USB 3.2 Gen 1
Sources and measurement notes
Sizometry compares published specifications and calculates differences. These are not hands-on measurements or tests of comfort, performance or pocket fit.
Check the exact model, year, region and configuration on the linked page. References may cover several variants. Folded and unfolded dimensions differ; cases and camera protrusions may change the space a device needs. Drawings share a relative scale and are not calibrated to life size on your screen.
Sizometry Analysis
Overall Score
8.5
out of 10
A praised compact Zeiss imaging flagship at 71.92 mm with 200 MP main and Dimensity 9500 on 6.31-inch LTPO — held back by thermal throttling under sustained load, weaker battery versus X300 Pro, and low-light margins below Pro tier.
Category scores
Camera
8.5
200 MP Zeiss main and triple system earn consistent praise for daylight and travel; low-light and telephoto trail X300 Pro.
Battery and charging
7.0
Moderate-use days comfortable; smaller cell versus Pro tightens margins for gaming, hotspot, and heavy 200 MP days.
Performance
7.0
Dimensity 9500 flies daily; Notebookcheck throttling under prolonged gaming and 4K stress is the main caveat.
Handling and portability
8.5
71.92 mm width and 150.57 mm height excel for single-thumb reach on a camera-focused flagship. Among the best pocket fits for a 200 MP Zeiss phone — core reason buyers choose X300 over Pro.
Build quality
8.0
Premium 7.95 mm glass-and-aluminum compact; IP and wireless variance by SKU requires confirmation.
Value
8.5
Competitive feature set and pricing for the target buyer, with clear trade-offs versus premium siblings.
Strengths
- Praised 200 MP Zeiss camera system in a sub-72 mm compact body
- Dimensity 9500 responsive for daily use and fast camera processing
- 6.31-inch LTPO balances one-handed reach with flagship display quality
Weaknesses
- Thermal throttling under sustained high-load workloads
- Battery endurance below X300 Pro for power users
- Low-light and telephoto limits versus Pro despite daylight camera praise
Best for
- Photography-first compact flagship buyers prioritizing pocket fit
- X200 FE upgraders wanting 200 MP and newer Dimensity silicon
- Travel shooters who accept Pro battery trade-offs for narrower carry
Less suitable for
- Endurance and sustained-performance maximalists who should buy X300 Pro
- Competitive gamers needing uncapped thermal headroom
- Concert and night-street photographers demanding Pro low-light margin
Upgrade recommendation
Current device: vivo X200 FE owners who shoot daily
Recommendation: Strongly recommendedNotes: 200 MP Zeiss main, Dimensity 9500, and LTPO deliver meaningful camera and performance gains in the same compact lane.
Current device: vivo X300 Pro owners
Recommendation: Probably unnecessaryNotes: Downgrading loses battery, cooling, and low-light margin unless width pain is extreme.
Current device: Wide Galaxy S25+ or iPhone Pro Max
Recommendation: Worth consideringNotes: Pocket relief and praised Zeiss cameras help — audition battery habits before leaving larger cells.
Current device: vivo X200 or X100 compact generation
Recommendation: Strongly recommendedNotes: Camera, LTPO, and Dimensity 9500 feel like proper generational upgrades.
Current device: Gaming-first iQOO owners
Recommendation: Probably unnecessaryNotes: Thermal limits under sustained load make dedicated gaming phones the better tool.
Everyday usability
Estimated from device dimensions and weight.
One-handed use
ComfortableIts width suits comfortable one-handed reach for many users.
Pocket friendliness
ExcellentIts footprint fits standard pockets more easily than larger phones.
Carry comfort
BalancedWeight sits in a balanced range for everyday holding and carrying.
Reading and media
Better for quick glances and messaging than long reading or video.
Gaming
High-endIts processor and graphics hardware are suited to demanding games and higher visual settings.
Bottom line
The vivo X300 earns respect as vivo's camera-first compact flagship for 2025 — 71.92 mm wide, 150.57 mm tall, 7.95 mm thick, and 190 g with a praised 200 MP Zeiss main camera, triple-lens versatility, Dimensity 9500 daily responsiveness, and a 6.31-inch LTPO panel that keeps pocket fit and one-handed reach competitive with the best narrow flagships. Reviewers and owners align on imaging as the headline win; the honest trade-offs are endurance and thermals below X300 Pro — Notebookcheck documents throttling when gaming or 4K recording stresses the compact chassis, and busy-day battery margins tighten for hotspot-heavy users. Shoppers who want Pro-adjacent Zeiss output without Pro width should audition the X300; shoppers who need two-day endurance or uncapped sustained performance should buy Pro upstream.
Models and configurations
- Storage
- 256 GB512 GB
- Connectivity
- 5GLTE
- Colors
- PurpleBlackBluePink
- RAM
- 12 GB16 GB
- Model variants
- X300
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