Compare phones
| Global Score | |
| 81.4 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie | Android 10 |
| 2019-04-15 | 2020-09-11 |
| 5.81 x 2.78 x 0.29 inches | 6.45 x 3.00 x 0.37 inches |
| 5.47 ounces | 7.51 ounces |
| 16 777 216 | Black and White |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6 inches | 6.7 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED Plus |
| 430 pixels per inch | 385 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.7 | 8 |
| Performance | |
| Qualcomm Snapdragon 712 SDM712 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 616 GPU | Adreno 618 GPU |
| 9.36 | 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 | |
| 48.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") 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 (960 fps) (HD) slow motion video | -- |
| 11.66 | 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 | |
| 3070mAh Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 8.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 |
Comparison review
The Samsung Galaxy M51 has a score of 87.7, which is slightly better than the Xiaomi Mi 9 SE's score of 81.4. Samsung Galaxy M51 is a newer phone than Xiaomi Mi 9 SE, but it is noticeably thicker and much heavier. Both of these phones have Android OS (operating system), but the Samsung Galaxy M51 has an older 10 version and Xiaomi Mi 9 SE has Android 9.0 Pie.
The Xiaomi Mi 9 SE has just a bit better hardware performance than Galaxy M51. They have 8 CPU cores and a 6 GB RAM memory. Xiaomi Mi 9 SE features just a bit better looking screen than Galaxy M51, because although it has a little smaller display, and they both have an equal resolution of 1080 x 2340 pixels, the Xiaomi Mi 9 SE also counts with a little better count of pixels per screen inch.
The Galaxy M51 takes a little bit better photographs and videos than Xiaomi Mi 9 SE, and although they both have the same video resolution, a F1.8 aperture and the same 30 fps video frame rates, the Galaxy M51 also has a lot higher resolution back facing camera and a bigger sensor capturing more light and vivid colors.
Galaxy M51 has a much greater storage for games and applications than Xiaomi Mi 9 SE, and although they both have exactly the same 128 GB internal memory, the Galaxy M51 also has an external memory slot that allows up to 512 GB. The Samsung Galaxy M51 counts with a superior battery lifetime than Xiaomi Mi 9 SE, because it has a 128 percent greater battery capacity.
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