Samsung Galaxy S25 Ultra vs Vivo X300 Ultra
Which one should you buy?
Who leads where?
- PerformanceVivo X300 Ultra
- Battery and ChargingVivo X300 Ultra
- DesignSamsung Galaxy S25 Ultra
- ConnectivityVivo X300 Ultra
Wins are counted from the official values in the table below; the BUY / CONSIDER / WAIT call comes from each product's own decision box. We do not predict prices.
The differences in short
Processor: Samsung Galaxy S25 Ultra Snapdragon 8 Elite, Vivo X300 Ultra Snapdragon 8 Elite Gen 5. Screen Size: Samsung Galaxy S25 Ultra 6.9", Vivo X300 Ultra 6.83". Main Camera is the same on both: 200 MP. Vivo X300 Ultra leads on Battery: 6600 mAh against 5000 mAh. Vivo X300 Ultra leads on Fast Charging: 100 W against 45 W.
Which one for what you do?
Gaming
Vivo X300 Ultra
87% – 59%
Photo / Video
Vivo X300 Ultra
82% – 77%
Battery Life
Vivo X300 Ultra
85% – 45%
Daily Use
Vivo X300 Ultra
73% – 59%
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
 SamsungSamsung Galaxy S25 UltraNo reviews yet |  VivoVivo X300 UltraNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | Snapdragon 8 Elite | Snapdragon 8 Elite Gen 5 |
| Screen Size | 6.9" | 6.83" |
| Main Camera | 200 MP | 200 MP |
| Battery | 5000 mAh | 6600 mAh |
| Fast Charging | 45 W | 100 W |
| Display | ||
| Size | 6.9" | 6.83" |
| Panel | Dynamic LTPO AMOLED 2X | LTPO AMOLED |
| Resolution | 3120x1440 | 1440x3168 |
| Refresh Rate | 120 Hz | 144 Hz |
| Peak Brightness | 2600 nit | 1935 nit |
| Performance | ||
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite Gen 5 |
| Graphics Processor | Adreno 830 | Adreno 840 |
| RAM | 12 GB | 16 GB |
| Storage | 256 GB | 512 GB |
| Storage type | No data | UFS 4.1 |
| Manufacturing Technology | 3 nm | 3 nm |
| Camera | ||
| Main Camera | 200 MP | 200 MP |
| Main Aperture | f/1.7 | f/1.9 |
| Ultra Wide | 50 MP | 50 MP |
| Telephoto | 50 MP 5x 111mm periscope + 10 MP 3x | 3.7x periscope |
| Telephoto Resolution | No data | 200 MP |
| Front Camera | 12 MP | 50 MP |
| Battery and Charging | ||
| Capacity | 5000 mAh | 6600 mAh |
| Cell Type | No data | Silicon-carbon |
| Wired Charging | 45 W | 100 W |
| Wireless Charging | No data | 40 W |
| Wireless Charging Support | Yes | Yes |
| Design | ||
| Weight | 218 g | 232 g |
| Thickness | 8.2 mm | 8.2 mm |
| Frame | Titanium | Aluminum |
| Back Surface | Gorilla Glass Victus 2 | Glass |
| Connectivity | ||
| 5G | Yes | Yes |
| SIM | Nano SIM + eSIM | Dual SIM |
| Satellite Connectivity | No | Yes (16GB+1TB) |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| Durability and security | ||
| IP Certification | IP68 | IP68/IP69 |
| Biometrics | Ultrasonic in-display fingerprint | Ultrasonic In-Display Fingerprint |
| Software | ||
| Operating System | Android | Android |
| Version | Android 15 (One UI 7) | Android 16 |
| Interface | No data | OriginOS 6 |
| Multimedia and ports | ||
| Speaker | Stereo | Stereo |
| USB | USB Type-C | USB Type-C |
Vivo X300 Ultra leads on 7 of 10 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.