X300 in Purple, Front + Back view

Official manufacturer render.

vivo

X300

Phone2025Released
  • 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

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

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 recommended

    Notes: 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 unnecessary

    Notes: Downgrading loses battery, cooling, and low-light margin unless width pain is extreme.

  • Current device: Wide Galaxy S25+ or iPhone Pro Max

    Recommendation: Worth considering

    Notes: Pocket relief and praised Zeiss cameras help — audition battery habits before leaving larger cells.

  • Current device: vivo X200 or X100 compact generation

    Recommendation: Strongly recommended

    Notes: Camera, LTPO, and Dimensity 9500 feel like proper generational upgrades.

  • Current device: Gaming-first iQOO owners

    Recommendation: Probably unnecessary

    Notes: Thermal limits under sustained load make dedicated gaming phones the better tool.

Everyday usability

Estimated from device dimensions and weight.

  • One-handed use

    Comfortable

    Its width suits comfortable one-handed reach for many users.

  • Pocket friendliness

    Excellent

    Its footprint fits standard pockets more easily than larger phones.

  • Carry comfort

    Balanced

    Weight 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-end

    Its 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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