Compare phones
| Global Score | |
| 81.4 | 76.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 9.0 Pie | Android 10 |
| 2019-04-15 | 2020-06-29 |
| 5.81 x 2.78 x 0.29 inches | 6.61 x 3.02 x 0.32 inches |
| 5.47 ounces | 6.81 ounces |
| 16 777 216 | Black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 430 pixels per inch | 270 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.7 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 712 SDM712 chipset | Mediatek Helio P35 chipset |
| Kryo 360, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 616 GPU | PowerVR GE8320 GPU |
| 9.36 | 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 | |
| 48.00 MP + 20.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3.06") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 11.66 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 3070mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.92 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Mi 9 SE is just a bit better than Samsung Galaxy A21, getting an 81.4 score against 76.1. Both of these phones work with Android OS, but the Xiaomi Mi 9 SE has 9.0 Pie version while Samsung Galaxy A21 has Android 10 version. Xiaomi Mi 9 SE's construction is lighter and just a bit thinner than the Samsung Galaxy A21, even though it was released around a year before.
Xiaomi Mi 9 SE features a bit more powerful CPU than Galaxy A21, and although they both have 8 cores, the Xiaomi Mi 9 SE also has a larger amount of RAM memory. The Xiaomi Mi 9 SE features a brighter screen than Samsung Galaxy A21, because although it has a little bit smaller display, it also counts with a way higher screen density and a much better 1080 x 2340px resolution.
Xiaomi Mi 9 SE shoots greater photographs and videos than Galaxy A21, and although they both have a F1.8 camera aperture, the Xiaomi Mi 9 SE also has a lot better 48 mega-pixels resolution back facing camera, a way larger camera sensor taking much higher quality videos and photographs and a way better video resolution.
Xiaomi Mi 9 SE features a bit bigger storage to install applications and games than Samsung Galaxy A21, because although it has no external memory card slot, it also counts with more internal storage. The Samsung Galaxy A21 has improved battery duration than Xiaomi Mi 9 SE, because it has a 4000mAh battery capacity.
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