Compare phones
| Global Score | |
| 73.1 | 91.8 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 13 | Android 11 |
| -- | 2021-01-29 |
| -- | 5.97 x 2.80 x 0.31 inches |
| -- | 6.03 ounces |
| -- | Gray, Phantom pink, Violet and White |
| -- | Aluminum and Plastic |
| -- | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 6.7 inches | 6.2 inches |
| 3200 x 1440 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 524 pixels per inch | 424 pixels per inch |
| -- | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.1 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 2 SM8550 (4 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 12 GB RAM | 8 GB RAM |
| Adreno 740 GPU | Adreno 660 GPU |
| 6.21 | 9.63 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 13.3 | 10.1 |
| Camera | |
| 50.00 MP + 32.00 MP | 12.00 MP + 10.00 MP |
| -- | f/1.80 aperture |
| -- | 26.00mm focal length |
| -- | 0.57 inches (1/1.76") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.47 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 7 | 10.7 |
| Battery Life | |
| 4900mAh Li - Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 6.72 | 5.92 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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 has an overall score of 91.8, which is way better than the Xiaomi 13 Ultra's overall score of 73.1. Both devices in this comparison review have Android operating system, but Samsung Galaxy S21 has an older 11 version while Xiaomi 13 Ultra has Android 13. Galaxy S21 has a better looking screen than Xiaomi 13 Ultra, although it has a quite lower screen pixel density, a bit smaller display and a lot lower resolution of 1080 x 2400px.
The Samsung Galaxy S21 features a much more powerful processing unit than Xiaomi 13 Ultra, although it has 4 GB lesser RAM memory, they both have 8 cores. Xiaomi 13 Ultra features a way bigger memory capacity for apps and games than Galaxy S21, because it has 128 GB more internal storage. The Xiaomi 13 Ultra has better battery duration than Galaxy S21, because it has a 23% bigger battery capacity.
The Galaxy S21 has a lot better camera than Xiaomi 13 Ultra, although it has a back facing camera with a way worse resolution.
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