Compare phones
| Global Score | |
| 90.7 | 87.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 10 |
| 2021-03-29 | 2020-09-11 |
| 6.47 x 2.94 x 0.33 inches | 6.45 x 3.00 x 0.37 inches |
| 8.25 ounces | 7.51 ounces |
| Ceramic Black and Ceramic White | Black and White |
| Ceramic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.7 inches |
| 3200 x 1440 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED Plus |
| 516 pixels per inch | 385 pixels per inch |
| 1700 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.9 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Qualcomm Snapdragon 730 SM7150-AA chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 470, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 618 GPU |
| 9.63 | 9.27 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 14.14 |
| Camera | |
| 50.00 MP + 20.00 MP | 64.00 MP + 32.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | -- |
| 12.43 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 8.2 | 6.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 7000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 8.32 |
| Other Features | |
| Bluetooth 5.2 | 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 Xiaomi Mi 11 Ultra is a bit better than the Galaxy M51, with a 90.7 score against 87.7. Both phones we are comparing here include Android OS (Operating System), but the Xiaomi Mi 11 Ultra has the newer 11 version while Galaxy M51 has Android 10 version, providing the user a couple additional features. Even though the Xiaomi Mi 11 Ultra and the Galaxy M51 were only released with a few months difference, Xiaomi Mi 11 Ultra's construction is just a bit heavier but also thinner than the Galaxy M51.
The Xiaomi Mi 11 Ultra has a much better looking display than Samsung Galaxy M51, because it has a better screen pixel density, a bit larger display and a better 1440 x 3200px resolution. Xiaomi Mi 11 Ultra counts with a bit superior processor than Galaxy M51, and although they both have a Octa-Core processor, the Xiaomi Mi 11 Ultra also has 2 GB more RAM memory.
The Xiaomi Mi 11 Ultra captures a little bit better photographs and videos than Galaxy M51, because although it has a smaller sensor which offers a lower image and video quality, a back-facing camera with a much worse 50 megapixels resolution and a tinier aperture, it also counts with a lot higher video resolution.
The Samsung Galaxy M51 counts with a slightly bigger memory capacity to install applications and games than Xiaomi Mi 11 Ultra, because although it has 0 less internal memory, it also counts with a slot for an external memory card that supports a maximum of 512 GB. The Samsung Galaxy M51 has a much longer battery life than Xiaomi Mi 11 Ultra, because it has 7000mAh of battery capacity.
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