Compare phones
| Global Score | |
| 77.7 | 78.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 12 |
| 2020-06-19 | 2021-12-28 |
| 6.44 x 2.96 x 0.35 inches | 6.01 x 2.75 x 0.32 inches |
| 6.77 ounces | 6.31 ounces |
| Black, Blue, Red and White | Black, Blue, Green and Pink |
| -- | Aluminum and Glass |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.3 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 418 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 8.9 |
| Performance | |
| Samsung Exynos 850 chipset | Qualcomm Snapdragon 8 Gen1 SM8450 (4 nm) chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | processor |
| 3 GB RAM | 8 GB RAM |
| Mali-G76 GPU | Adreno 730 GPU |
| 9.09 | 6.21 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.78 | 12.54 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi 12 is a little bit better than the Galaxy A21s, getting a overall score of 78.8 against 77.7. Xiaomi 12 is a newer cellphone, and it's also just a little lighter and just a little bit thinner than the Galaxy A21s. Both devices in our current comparison use Android operating system, but Xiaomi 12 has newer 12 version and Galaxy A21s has Android 10 version, providing you a couple additional features.
The Galaxy A21s features a lot better processing power than Xiaomi 12, although it has 5 GB less RAM memory, they both have 8 processing cores. Xiaomi 12 counts with an incredibly better screen than Samsung Galaxy A21s, because although it has a little smaller display, it also counts with a much higher display density and a lot better 1080 x 2400 resolution.
The Xiaomi 12 features a little bit better storage capacity for apps and games than Galaxy A21s, because although it has no slot for an SD memory card, it also counts with more internal memory capacity. The Galaxy A21s features a bit better battery duration than Xiaomi 12, because it has a 5000mAh battery size instead of 4500mAh.
The Xiaomi 12 has a much better camera than Galaxy A21s, because it has a larger aperture, a back camera with a higher 50 mega pixels resolution, a way bigger back camera sensor taking lot higher quality videos and pictures and a way higher video resolution.
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