Compare phones
| Global Score | |
| 81 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 10 |
| -- | 2020-06-19 |
| -- | 6.44 x 2.96 x 0.35 inches |
| -- | 6.77 ounces |
| Black and White | Black, Blue, Red and White |
| Aluminum and Ceramic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 3200 x 1440 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 524 pixels per inch | 270 pixels per inch |
| 1500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.7 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset | Samsung Exynos 850 chipset |
| processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 730 GPU | Mali-G76 GPU |
| 6.21 | 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/2.00 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 | -- |
| 12.32 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4800mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.64 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
Xiaomi 12S Ultra has a general score of 81, which is a bit better than the Samsung Galaxy A21s's overall score of 77.7. The Xiaomi 12S Ultra is a a lot thinner and incredibly lighter phone than Samsung Galaxy A21s. These phones include Android OS, but the Xiaomi 12S Ultra has the newer 12 version and Samsung Galaxy A21s has Android 10.
Xiaomi 12S Ultra counts with a way better screen than Galaxy A21s, because it has a lot higher 1440 x 3200px resolution, a lot better display density and a quite larger screen. The Samsung Galaxy A21s has an extremely better processing unit than Xiaomi 12S Ultra, although it has 5 GB lesser RAM memory, they both have a Octa-Core processing unit.
Xiaomi 12S Ultra features a superior camera than Galaxy A21s, and although they both have a F2 aperture and a 0.5 inches back-facing camera sensor, the Xiaomi 12S Ultra also has a way higher 7680x4320 video quality and a higher resolution camera. Xiaomi 12S Ultra counts with a very superior storage capacity to install applications and games or saving photos and videos than Galaxy A21s, because although it has no external memory card slot, it also counts with 256 GB internal storage capacity.
The Galaxy A21s has just a bit longer battery lifetime than Xiaomi 12S Ultra, because it has 5000mAh of battery capacity against 4800mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.