Compare phones
| Global Score | |
| 81.5 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11 |
| 2021-11-11 | 2021-01-29 |
| 6.44 x 2.98 x 0.34 inches | 6.50 x 2.98 x 0.35 inches |
| 6.88 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 |
| -- | $ 966.00 |
| Display / Screen | |
| 6.6 inches | 6.8 inches |
| 2400 x 1080 pixels | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 399 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.8 |
| Performance | |
| MediaTek Dimensity 810 5G MT6833 (6 nm) chipset | Qualcomm Snapdragon 888 chipset |
| Cortex-A76, 64-bit (Octa-Core 2400 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 |
| 9.36 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 13.02 | 10.1 |
| Camera | |
| 50.00 MP + 16.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") sensor |
| 1920 x 1080 (60 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.67 | 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 |
Comparison review
Samsung Galaxy S21 Ultra is much better than Xiaomi POCO M4 Pro 5G, having a score of 98.1 against 81.5. These phones have the same Android 11 operating system, so you shouldn't see any differences regarding that. Samsung Galaxy S21 Ultra's body is older, somewhat heavier and a bit thicker than the Xiaomi POCO M4 Pro 5G.
Samsung Galaxy S21 Ultra has just a little better hardware performance than Xiaomi POCO M4 Pro 5G, and although they both have the same number of cores, the Samsung Galaxy S21 Ultra also has more RAM memory. Samsung Galaxy S21 Ultra counts with a way better screen than Xiaomi POCO M4 Pro 5G, because it has a higher resolution of 1440 x 3200px, a higher pixels density and a bit larger display.
The Xiaomi POCO M4 Pro 5G features a way bigger storage for applications and games than Samsung Galaxy S21 Ultra, because although it has just 64 GB internal memory, it also counts with a SD card slot that supports a maximum of 1 TB. The Galaxy S21 Ultra has a battery performance that's just as good as Xiaomi POCO M4 Pro 5G's battery duration.
The Galaxy S21 Ultra features a lot better camera than Xiaomi POCO M4 Pro 5G, and although they both have a F1.8 aperture, the Galaxy S21 Ultra also has a much higher 7680x4320 video resolution and a way more megapixels back camera.
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