Compare phones
| Global Score | |
| 73.9 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 10 |
| -- | 2020-06-19 |
| 6.29 x 2.91 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 6.31 ounces | 6.77 ounces |
| -- | Black, Blue, Red and White |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2400 x 2080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 496 pixels per inch | 270 pixels per inch |
| 1000 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.3 | 7.2 |
| Performance | |
| MediaTek Helio G96 MediaTek Helio G96 (6 nm) chipset | Samsung Exynos 850 chipset |
| processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Mali-G57 MC2 GPU | Mali-G76 GPU |
| 6.03 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.02 | 9.84 |
| Camera | |
| 108.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.25 inches (1/4") sensor | 0.5 inches (1/2") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.34 | 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, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | 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
Galaxy A21s has a score of 77.7, which is a bit better than the Xiaomi Redmi Note 11S's 73.9 global score. Both phones in our current comparison work with Android OS (Operating System), but the Galaxy A21s has the previous 10 version while Xiaomi Redmi Note 11S has Android 11. Galaxy A21s's body is just a little bit heavier and a little thicker than the Xiaomi Redmi Note 11S.
The Samsung Galaxy A21s features a much more powerful processor than Xiaomi Redmi Note 11S, although it has 1 GB less RAM, they both have 8 cpu cores. The Xiaomi Redmi Note 11S counts with an incredibly better looking screen than Galaxy A21s, because although it has a quite smaller display, it also counts with a way better 2080 x 2400 resolution and a much better screen pixels density.
Xiaomi Redmi Note 11S has a much better storage capacity for applications, games, photos and videos than Samsung Galaxy A21s, because it has an external SD slot that holds a maximum of 1 TB and 64 GB internal memory capacity. Galaxy A21s's battery performance is just as good as the battery performance in Xiaomi Redmi Note 11S.
The Galaxy A21s has a bit better camera than Xiaomi Redmi Note 11S, because although it has a tinier diafragm aperture which is not good for low-light captures and video and a back-facing camera with much less megapixels resolution, it also counts with a lot larger back-facing camera sensor providing a lot better image quality.
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