Compare phones
| Global Score | |
| 78 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 10 |
| 2018-07-27 | 2020-09-11 |
| 6.25 x 2.97 x 0.29 inches | 6.45 x 3.00 x 0.37 inches |
| 5.93 ounces | 7.51 ounces |
| Black, Blue, Gold, Pink and Red | Black and White |
| Aluminum | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.7 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED Plus |
| 402 pixels per inch | 385 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Adreno 618 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 12.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.34 inches (1/2.9") sensor | 0.57 inches (1/1.76") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.79 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3010mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 4.96 | 8.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Samsung Galaxy M51 has a score of 87.7, which is better than Xiaomi Mi A2's overall score of 78. Even though Samsung Galaxy M51 is a lot newer than Xiaomi Mi A2, it is way thicker and extremely heavier. Galaxy M51 counts with a processor that's very similar to Xiaomi Mi A2's CPU, both of them have a 6 GB RAM and 8 cores.
Xiaomi Mi A2 counts with a bit sharper screen than Samsung Galaxy M51, because although it has a little lower resolution of 1080 x 2160px and a little smaller display, it also counts with a little bit better number of pixels in each display inch. Galaxy M51 has a very superior storage capacity for games and applications than Xiaomi Mi A2, and although they both have equal internal memory capacity, the Galaxy M51 also has a slot for external memory cards that holds a maximum of 512 GB.
The Galaxy M51 has a way better battery duration than Xiaomi Mi A2, because it has a 7000mAh battery size. The Samsung Galaxy M51 shoots way better photos and videos than Xiaomi Mi A2, and although they both have the same aperture, the same video definition and the same video frame rate, the Samsung Galaxy M51 also has a much larger sensor providing a lot higher image quality and a back-facing camera with lot more MP.
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