vivo X300 vs Xiaomi 14 Ultra
Compare vivo X300 vs Xiaomi 14 Ultra side by side: MediaTek Dimensity 9500 (2nm) vs Qualcomm Snapdragon 8 Gen 3, 50MP vs 50MP camera, 6000mAh vs 5000mAh…

vivo
X300
$799
10categories won

Xiaomi
14 Ultra
$1,299
6categories won
6 categories tied · 22 scored in total · add a third phone
Which one wins?
vivo X300 takes the overall win
The vivo X300 claims the overall win over the Xiaomi 14 Ultra, delivering a stronger technical package across battery endurance and core hardware. In camera testing, the 14 Ultra leads with superior optics, while battery endurance leans towards the X300. Choose the X300 if you want the highest performance ceiling, or opt for the 14 Ultra if its specific hardware strengths better fit your budget.
X300 wins on endurance with 6,000 mAh and 90W fast charging.
X300 leads gaming and raw performance powered by the MediaTek Dimensity 9500 (2nm) and 16GB RAM.
14 Ultra takes photography with 50MP optics and 5x optical telephoto capabilities.
X300 provides a sharper value proposition, coming in at $799 vs $1299.
Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.
X300 vs 14 Ultra: specifications compared
Display
| Specification | X300 | 14 Ultra |
|---|---|---|
| Screen size | 6.67" | 6.73" |
| Resolution | 1260 x 2800 | 1440 x 3200Winner |
| Pixel density | 460 ppi | 522 ppiWinner |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 4500 nitsWinner | 3000 nits |
Performance
| Specification | X300 | 14 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 9500 (2nm) | Qualcomm Snapdragon 8 Gen 3 |
| Process node | 2 nmWinner | 4 nm |
| AnTuTu score | 3,200,000Winner | 2,050,000 |
| Geekbench multi | 10800Winner | 6980 |
| Maximum RAM | 16 GB | 16 GB |
| Maximum storage | 512GB | 1TBWinner |
Camera
| Specification | X300 | 14 Ultra |
|---|---|---|
| Main sensor | 50 MP | 50 MP |
| Rear cameras | 3 | 4Winner |
| Optical zoom | 3x | 5xWinner |
| Ultrawide | 50 MP | 50 MP |
| Selfie camera | 32 MP | 32 MP |
| Max video | 8K at 30fps / 4K at 120fps | 8K at 30fps, 4K at 120fps Dolby Vision |
Battery and charging
| Specification | X300 | 14 Ultra |
|---|---|---|
| Capacity | 6,000 mAhWinner | 5,000 mAh |
| Wired charging | 90 W | 90 W |
| Wireless charging | 30 W | 80 WWinner |
Design
| Specification | X300 | 14 Ultra |
|---|---|---|
| Weight | 195 gWinner | 220 g |
| Thickness | 7.9 mmWinner | 9.2 mm |
| Water resistance | IP68 | IP68 |
| Build | Grade 5 Titanium frame, Ceramic Glass front and back | High-strength aluminum unibody, nano-tech vegan leather back |
Software and support
| Specification | X300 | 14 Ultra |
|---|---|---|
| Operating system | Android 16 | Android 14 |
| OS updates | 7 yearsWinner | 4 years |
| Security updates | 7 yearsWinner | 5 years |
Connectivity and value
| Specification | X300 | 14 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) | Wi-Fi 7 (802.11be) |
| Storage expansion | None | None |
| 3.5mm jack | No | No |
| Launch price | $799Winner | $1,299 |
vivo X300
The vivo X300 delivers MediaTek’s flagship 2nm Dimensity 9500 processor, a 6,000 mAh BlueOcean silicon battery, 90W FlashCharge, and Zeiss APO floating periscope optics in a gorgeous quad-curved chassis.
- Display
- 6.67"
- Chipset
- MediaTek Dimensity 9500 (2nm)
- Main camera
- 50MP
- Battery
- 6,000mAh
Xiaomi 14 Ultra
With its Sony LYT-900 1-inch main sensor featuring stepless variable aperture from f/1.63 to f/4.0, dual periscope/telephoto lenses, 90W fast charging, and optional Leica Photography Kit, the 14 Ultra is a pure photographer’s camera.
- Display
- 6.73"
- Chipset
- Qualcomm Snapdragon 8 Gen 3
- Main camera
- 50MP
- Battery
- 5,000mAh