Compare phones
| Global Score | |
| 77.7 | 80.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 10 | Android 14 |
| 2020-06-19 | 2024-10-29 |
| 6.44 x 2.96 x 0.35 inches | 6.00 x 2.80 x 0.32 inches |
| 6.77 ounces | 6.67 ounces |
| Black, Blue, Red and White | -- |
| -- | Glass |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2670 x 1200 pixels |
| TFT | OLED |
| 270 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 10.2 |
| Performance | |
| Samsung Exynos 850 chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | processor |
| 3 GB RAM | 12 GB RAM |
| Mali-G76 GPU | Adreno 830 GPU |
| 9.09 | 6.21 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 13.3 |
| Camera | |
| 48.00 MP + 13.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.60 aperture |
| 26.00mm focal length | 23.00mm focal length |
| 0.5 inches (1/2") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.78 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5400mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 7.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
Comparison review
Xiaomi 15 has a score of 80.6, which is a bit better than Samsung Galaxy A21s's general score of 77.7. These phones include Android operating system, but Xiaomi 15 has a newer 14 version and Samsung Galaxy A21s has Android 10 version. The Xiaomi 15 construction is much newer, just a bit thinner and a little lighter than Samsung Galaxy A21s.
The Xiaomi 15 has a lot better screen than Samsung Galaxy A21s, because although it has a little bit smaller display, it also counts with a lot higher 1200 x 2670 resolution and a lot better pixels amount per inch in the screen. The Xiaomi 15 has a much greater storage to install applications and games or saving photos and videos than Samsung Galaxy A21s, because although it has no SD card slot, it also counts with more internal storage.
Galaxy A21s features a much more powerful CPU than Xiaomi 15, although it has less RAM memory, they both have the same number of cores. The Xiaomi 15 has just a bit longer battery performance than Samsung Galaxy A21s, because it has 5400mAh of battery capacity. Xiaomi 15 takes much clearer photographs and videos than Galaxy A21s, because it has a much higher video resolution, a back-facing camera with more MP and a larger aperture.
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