Compare phones
| Global Score | |
| 80.8 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11 |
| 2021-05-20 | 2021-01-29 |
| 6.37 x 2.97 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 6.70 ounces | 8.04 ounces |
| Cool Blue, POCO Yellow and Power Black | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.5 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 405 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.8 |
| Performance | |
| MediaTek Dimensity 700 MT6833V chipset | Qualcomm Snapdragon 888 chipset |
| Cortex-A76, 64-bit, 7 nm (Octa-Core 2200 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G57 MC2 GPU | Adreno 660 GPU |
| 9.18 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 10.1 |
| Camera | |
| 48.00 MP + 8.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.89 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 Ultra is a lot better than the Xiaomi POCO M3 Pro 5G, with a 98.1 score against 80.8. Both devices we compare here work with the same Android 11 OS, so both should provide the user the same OS features. The Galaxy S21 Ultra design has the same thickness than the Xiaomi POCO M3 Pro 5G, but it's heavier.
The Galaxy S21 Ultra counts with an incredibly better screen than Xiaomi POCO M3 Pro 5G, because it has a higher 1440 x 3200 pixels resolution, a bit bigger screen and a greater screen pixels density. Samsung Galaxy S21 Ultra has a much greater memory for games and applications than Xiaomi POCO M3 Pro 5G, because it has 64 GB more internal storage capacity.
The Samsung Galaxy S21 Ultra counts with just a little better processing power than Xiaomi POCO M3 Pro 5G, and although they both have 8 cores, the Samsung Galaxy S21 Ultra also has a higher amount of RAM. The Galaxy S21 Ultra has a way better camera than Xiaomi POCO M3 Pro 5G, and although they both have the same diafragm aperture, the Galaxy S21 Ultra also has a back facing camera with a lot better resolution, a much larger sensor which gives a way higher photo and video quality and a lot better video resolution.
The Galaxy S21 Ultra features a battery performance that is just as good as Xiaomi POCO M3 Pro 5G's battery duration.
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