Compare phones
| Global Score | |
| 87.7 | 90.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11 |
| 2020-09-11 | 2021-03-29 |
| 6.45 x 3.00 x 0.37 inches | 6.47 x 2.94 x 0.33 inches |
| 7.51 ounces | 8.25 ounces |
| Black and White | Ceramic Black and Ceramic White |
| Plastic and Plastic | Ceramic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.8 inches |
| 2340 x 1080 pixels | 3200 x 1440 pixels |
| Super AMOLED Plus | AMOLED |
| 385 pixels per inch | 516 pixels per inch |
| -- | 1700 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 730 SM7150-AA chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 GB RAM |
| Adreno 618 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| 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 + 20.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (1920 fps) (Full HD) slow motion video |
| 11.88 | 12.43 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 8.2 |
| Battery Life | |
| 7000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 8.32 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| 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
Xiaomi Mi 11 Ultra has a global score of 90.7, which is a bit better than the Samsung Galaxy M51's 87.7 general score. These phones use Android OS (operating system), but Xiaomi Mi 11 Ultra has a newer 11 version and Samsung Galaxy M51 has Android 10 version, so it provides the user a couple additional features. The Xiaomi Mi 11 Ultra body is just a little bit heavier but somewhat thinner than Samsung Galaxy M51, and both of them were only released 7 months apart.
The Xiaomi Mi 11 Ultra features a way better screen than Samsung Galaxy M51, because it has a better 1440 x 3200px resolution, a greater screen pixels density and a little bigger screen. The Galaxy M51 features a bit more memory capacity to store more apps and games than Xiaomi Mi 11 Ultra, because although it has less internal memory, it also counts with an external memory card slot that admits up to 512 GB.
Xiaomi Mi 11 Ultra has a little better hardware performance than Galaxy M51, and although they both have the same number of cores, the Xiaomi Mi 11 Ultra also has a larger amount of RAM. The Galaxy M51 has a way better battery lifetime than Xiaomi Mi 11 Ultra, because it has 7000mAh of battery capacity.
The Xiaomi Mi 11 Ultra features a slightly better camera than Samsung Galaxy M51, because although it has a camera in the back with lot less mega-pixels resolution, a tinier camera sensor taking lower quality videos and images and a tinier aperture which is not good for low light captures and videos, it also counts with a lot better video resolution.
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