Compare phones
| Global Score | |
| 77.7 | 77.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 11 |
| 2020-06-19 | 2022-03-15 |
| 6.44 x 2.96 x 0.35 inches | 6.01 x 2.75 x 0.32 inches |
| 6.77 ounces | 6.21 ounces |
| Black, Blue, Red and White | Blue, Grey and Purple |
| -- | 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 870 SM8250-AC (7 nm) chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | processor |
| 3 GB RAM | 8 GB RAM |
| Mali-G76 GPU | Adreno 650 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 | 50.00mm focal length |
| 0.5 inches (1/2") 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 | 11.88 |
| 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 |
| 6.8 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| 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 12X has a general score of 77.8, which is a bit better than the Samsung Galaxy A21s's overall score of 77.7. These devices use Android OS, but the Xiaomi 12X has the newer 11 version and Samsung Galaxy A21s has Android 10 version. Xiaomi 12X is a newer phone, and it's also just a little bit lighter and a little thinner than the Samsung Galaxy A21s.
The Xiaomi 12X has a much better screen than Galaxy A21s, because although it has a bit smaller screen, it also counts with a much greater number of pixels per screen inch and a way better resolution of 1080 x 2400px. Samsung Galaxy A21s counts with a very superior processing power than Xiaomi 12X, although it has less RAM, they both have the same number of cores.
The Xiaomi 12X counts with a better camera than Galaxy A21s, because it has a more MP camera in the back, a larger camera aperture for better photos and video in low-light situations and a much better video resolution. Xiaomi 12X has slightly more storage capacity for games and applications than Samsung Galaxy A21s, because although it has no external memory card slot, it also counts with 128 GB internal memory.
Galaxy A21s counts with just a little better battery duration than Xiaomi 12X, because it has a 5000mAh battery capacity against 4500mAh.
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