Compare phones
| Global Score | |
| 90.7 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 10 |
| 2021-03-29 | 2020-06-19 |
| 6.47 x 2.94 x 0.33 inches | 6.44 x 2.96 x 0.35 inches |
| 8.25 ounces | 6.77 ounces |
| Ceramic Black and Ceramic White | Black, Blue, Red and White |
| Ceramic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 3200 x 1440 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 516 pixels per inch | 270 pixels per inch |
| 1700 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.9 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Samsung Exynos 850 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 660 GPU | Mali-G76 GPU |
| 9.63 | 9.09 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 9.84 |
| Camera | |
| 50.00 MP + 20.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | -- |
| 12.43 | 10.78 |
| 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 | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 6.8 |
| 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, Gyroscope and Proximity Sensor |
Comparison review
Xiaomi Mi 11 Ultra has an overall score of 90.7, which is much better than Samsung Galaxy A21s's 77.7 global score. Both of these phones have Android OS (Operating System), but the Xiaomi Mi 11 Ultra has a newer 11 version while Samsung Galaxy A21s has Android 10 version. Although the Xiaomi Mi 11 Ultra is heavier than Samsung Galaxy A21s, it's just a bit thinner and newer.
The Xiaomi Mi 11 Ultra counts with just a little better performance than Galaxy A21s, and although they both have a Octa-Core processing unit, the Xiaomi Mi 11 Ultra also has 5 GB more RAM. Xiaomi Mi 11 Ultra counts with an incredibly better looking screen than Galaxy A21s, because it has a lot better resolution of 1440 x 3200px, a bit larger screen and much more pixels per display inch.
Xiaomi Mi 11 Ultra features much more memory capacity to store more apps and games than Galaxy A21s, because although it has no external memory slot, it also counts with 256 GB internal memory. Galaxy A21s and Xiaomi Mi 11 Ultra have very similar batteries performance. The Xiaomi Mi 11 Ultra shoots much clearer photographs and videos than Galaxy A21s, and although they both have a same size sensor, the Xiaomi Mi 11 Ultra also has a larger diafragm aperture, a back-facing camera with more MP and a way higher video quality.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.