| Global Score | |
| 76.3 | 80.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 4.4.4 | Android 14 |
| -- | 2024-10-29 |
| 5.21 x 2.58 x 0.26 inches | 6.00 x 2.80 x 0.32 inches |
| 4.06 ounces | 6.67 ounces |
| Black, Blue, Gold, Gray and White | -- |
| -- | Glass |
| Scratch-Resistant Glass | -- |
| $ 320.00 | -- |
| Display / Screen | |
| 4.7 inches | 6.4 inches |
| 720 x 1280 pixels (HD) | 2670 x 1200 pixels |
| Super AMOLED | OLED |
| 312 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 8.4 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 801 chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Krait 400 (Quad-Core 2500 MHz) processor | processor |
| 2 GB (933 MHz) RAM | 12 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 830 GPU |
| 9.36 | 6.21 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 5.8 | 13.3 |
| Camera | |
| 12.00 MP + 2.10 MP | 50.00 MP + 32.00 MP |
| f/2.20 aperture | f/1.60 aperture |
| 31.00mm focal length | 23.00mm focal length |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.46 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA, EDGE, GPRS and GSM | 5G, 5G |
| Nano SIM | Nano SIM |
| 7 | 7 |
| Battery Life | |
| 1860mAh Li-Ion Battery | 5400mAh Battery |
| Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 11 hours talk time | -- |
| 3.76 | 7.12 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
Xiaomi 15 is a little bit better than Galaxy Alpha, with an 80.6 score against 76.3. Both phones in this review include Android operating system, but the Xiaomi 15 has an older 14 version while Galaxy Alpha has Android 4.4.4 version. Xiaomi 15 is a thicker and a lot heavier cellphone than the Galaxy Alpha.
Galaxy Alpha has an extremely better processor than Xiaomi 15, because although it has less processing cores (but faster) and a lower amount of RAM, it also counts with a graphics processing unit. Xiaomi 15 features a much better looking display than Galaxy Alpha, because it has a higher number of pixels per display inch, a lot larger screen and a way higher 1200 x 2670 resolution.
The Xiaomi 15 features a lot better camera than Samsung Galaxy Alpha, because it has a way higher video definition, a way larger diafragm aperture and a lot more mega pixels back-facing camera. The Xiaomi 15 counts with a superior memory capacity for games and applications than Samsung Galaxy Alpha, because it has 256 GB internal storage.
The Xiaomi 15 has a very superior battery life than Galaxy Alpha, because it has a 190% more battery capacity.
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