Compare phones
| Global Score | |
| 87.7 | 80.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 14 |
| 2020-09-11 | 2024-10-29 |
| 6.45 x 3.00 x 0.37 inches | 6.00 x 2.80 x 0.32 inches |
| 7.51 ounces | 6.67 ounces |
| Black and White | -- |
| Plastic and Plastic | Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2340 x 1080 pixels | 2670 x 1200 pixels |
| Super AMOLED Plus | OLED |
| 385 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 10.2 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 618 GPU | Adreno 830 GPU |
| 9.27 | 6.21 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 14.14 | 13.3 |
| Camera | |
| 64.00 MP + 32.00 MP | 50.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.60 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.57 inches (1/1.76") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 11.88 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 7000mAh Battery | 5400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 8.32 | 7.12 |
| Other Features | |
| Bluetooth 5.0 | 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 |
| FM Radio | -- |
Comparison review
Galaxy M51 is slightly better than the Xiaomi 15, with a overall score of 87.7 against 80.6. Galaxy M51 is better than Xiaomi 15, we must tell that it is also a lot older, somewhat thicker and somewhat heavier. These phones use Android operating system, but the Galaxy M51 has older 10 version and Xiaomi 15 has Android 14 version.
The Xiaomi 15 features a much sharper display than Galaxy M51, because although it has a little smaller display, it also counts with a quite greater screen pixel density and a little higher resolution of 1200 x 2670 pixels. Samsung Galaxy M51 counts with a lot better performance than Xiaomi 15, although it has a lower amount of RAM, they both have a Octa-Core processor.
The Galaxy M51 features a little bit better memory to store more apps and games than Xiaomi 15, because although it has less internal memory capacity, it also counts with a slot for external memory cards that allows a maximum of 512 GB. Xiaomi 15 counts with a little bit better camera than Samsung Galaxy M51, because although it has a camera in the back with much less mega pixels resolution, it also counts with a lot better 7680x4320 video resolution and a bigger diafragm aperture.
The Galaxy M51 has superior battery lifetime than Xiaomi 15, because it has 7000mAh of battery capacity against 5400mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.