Compare phones
| Global Score | |
| 72.9 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 10 |
| -- | 2020-06-29 |
| -- | 6.61 x 3.02 x 0.32 inches |
| -- | 6.81 ounces |
| -- | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.3 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 418 pixels per inch | 270 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset | Mediatek Helio P35 chipset |
| processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 730 GPU | PowerVR GE8320 GPU |
| 6.21 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 50.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| -- | f/1.80 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| -- | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.47 | 9.35 |
| 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 |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy A21 is slightly better than Xiaomi 12S, with a 76.1 score against 72.9. Both devices in our current comparison come with Android OS, but Galaxy A21 has 10 version and Xiaomi 12S has Android 12 version. The Galaxy A21 features a very superior processor than Xiaomi 12S, although it has a smaller amount of RAM memory, they both have a Octa-Core CPU.
Xiaomi 12S has a lot better looking screen than Galaxy A21, because although it has a little smaller screen, it also counts with a way higher 1080 x 2400 resolution and a much higher screen pixels density. The Galaxy A21 features a much better camera than Xiaomi 12S, although it has a way less MP camera.
The Xiaomi 12S has a bit more memory capacity for games and applications than Galaxy A21, because although it has no SD card slot, it also counts with more internal memory capacity. The Xiaomi 12S has just a bit longer battery performance than Galaxy A21, because it has a 13% bigger battery size.
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