Samsung Galaxy S25 Ultra vs Xiaomi 15
Which one should you buy?
Who leads where?
- DisplayXiaomi 15
- CameraXiaomi 15
- Battery and ChargingXiaomi 15
- DesignXiaomi 15
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 is the same on both: Snapdragon 8 Elite. Screen Size: Samsung Galaxy S25 Ultra 6.9", Xiaomi 15 6.36". Samsung Galaxy S25 Ultra leads on Main Camera: 200 MP against 50 MP. Xiaomi 15 leads on Battery: 5240 mAh against 5000 mAh. Xiaomi 15 leads on Fast Charging: 90 W against 45 W.
Which one for what you do?
Gaming
Even
59% – 59%
Photo / Video
Samsung Galaxy S25 Ultra
83% – 72%
Battery Life
Xiaomi 15
63% – 45%
Daily Use
Xiaomi 15
63% – 53%
The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.
 SamsungSamsung Galaxy S25 UltraNo reviews yet |  XiaomiXiaomi 15No reviews yet | |
|---|---|---|
| Key Differences | ||
| Processor | Snapdragon 8 Elite | Snapdragon 8 Elite |
| Screen Size | 6.9" | 6.36" |
| Main Camera | 200 MP | 50 MP |
| Battery | 5000 mAh | 5240 mAh |
| Fast Charging | 45 W | 90 W |
| Display | ||
| Size | 6.9" | 6.36" |
| Panel | Dynamic LTPO AMOLED 2X | LTPO AMOLED |
| Resolution | 3120x1440 | 2670x1200 |
| Refresh Rate | 120 Hz | 120 Hz |
| Peak Brightness | 2600 nit | 3200 nit |
| Performance | ||
| Chipset | Snapdragon 8 Elite | Snapdragon 8 Elite |
| Graphics Processor | Adreno 830 | Adreno 830 |
| RAM | 12 GB | 12 GB |
| Storage | 256 GB | 256 GB |
| Manufacturing Technology | 3 nm | 3 nm |
| Camera | ||
| Main Camera | 200 MP | 50 MP |
| Main Aperture | f/1.7 | f/1.6 |
| Ultra Wide | 50 MP | 50 MP |
| Telephoto | 50 MP 5x 111mm periscope + 10 MP 3x | 50 MP 2.6x 60mm |
| Front Camera | 12 MP | 32 MP |
| Battery and Charging | ||
| Capacity | 5000 mAh | 5240 mAh |
| Wired Charging | 45 W | 90 W |
| Wireless Charging Support | Yes | Yes (50W) |
| Design | ||
| Weight | 218 g | 191 g |
| Thickness | 8.2 mm | 8.2 mm |
| Frame | Titanium | Aluminum frame |
| Back Surface | Gorilla Glass Victus 2 | Xiaomi Shield Glass |
| Connectivity | ||
| 5G | Yes | Yes |
| SIM | Nano SIM + eSIM | Nano SIM + eSIM |
| Satellite Connectivity | No | No data |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| NFC | Yes | Yes |
| Durability and security | ||
| IP Certification | IP68 | IP68 |
| Biometrics | Ultrasonic in-display fingerprint | No data |
| Software | ||
| Operating System | Android | Android |
| Version | Android 15 (One UI 7) | Android 15 (HyperOS 2) |
| Multimedia and ports | ||
| Speaker | Stereo | Stereo |
| USB | USB Type-C | USB Type-C 3.2 |
Xiaomi 15 leads on 6 of 7 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.